# ground

Pronunciation: say "GROWND" /ɡɹaʊnd/

## Noun

1. The surface of the Earth, as distinct from the sky above, the water, or what lies underground.
   - Simple: The solid surface of the Earth that people walk on, not the sky or the water.
   - _The helicopter hovered a few feet above the ground before landing._
   - _Snow covered the ground for most of January._
2. Land of a particular character or condition, considered as terrain to be crossed, occupied, or built on.
   - Simple: The kind of land in an area, such as rocky, flat, or hilly land.
   - _The soldiers advanced slowly over marshy ground._
   - _Cyclists prefer level ground for long training rides._
3. Soil or earth, especially as material that can be dug, planted, or built upon.
   - Simple: The soil or dirt that plants grow in.
   - _Earthworms enrich the ground as they tunnel through it._
   - _Workers broke the frozen ground with picks before laying the pipes._
4. A reason or justification offered in support of an action, belief, or claim.
   - Simple: A reason that explains or supports something, like a choice or a belief.
   - _The court found sufficient ground to dismiss the lawsuit._
   - _His repeated absences gave the company grounds for ending his contract._
5. An area that is well suited to a particular activity, such as fishing, hunting, or breeding.
   - Simple: An area that is good for a certain activity, like fishing or hunting.
   - _This stretch of coast is rich fishing ground for the local crews._
   - _Owls treat the open meadow as prime hunting ground._
6. A basis or foundation, or the preparatory work on which something is later built.
   - Simple: The basic work or facts that something is built on.
   - _Decades of fieldwork provided the ground on which the new theory was built._
   - _Negotiators spent months preparing the ground for the summit._
8. Position or advantage gained or held in a contest, whether a battle, a game, an election, or an argument, as in to gain or give ground.
   - Simple: The position or advantage you win or lose in a fight, game, or argument.
   - _The challenger gained ground in the polls after the televised debate._
   - _The defending champion refused to give ground in the final set._
12. An electrical connection to the earth; also, a large conducting body, such as a metal chassis, whose potential serves as the zero reference.
   - Simple: A safe path that lets extra electricity flow into the earth.
   - _The electrician checked that every outlet in the house was wired to ground._
   - _A loose connection to ground caused the persistent hum in the speakers._
13. A sports field or stadium where matches are played, especially the home venue of a soccer or cricket club; in cricket, also the area behind the popping crease where the batter is safe. *(UK)*
   - Simple: A field or stadium where a sports team, such as a soccer or cricket club, plays its matches.
   - _The club's ground holds nearly forty thousand supporters on match days._
   - _The club has played at the same ground since the 1920s._
15. The background, context, or surroundings against which something is perceived or understood.
   - Simple: The background or setting behind the main thing you are looking at.
   - _The tiny yellow flowers stood out clearly against a ground of dark green moss._
   - _Critics read the novel against the ground of postwar anxiety._
20. The bottom of a body of water, such as a sea, lake, or river.
   - Simple: The bottom of a sea, lake, or river.
   - _The fishing boat's net dragged along the ground and tore on the rocks._
   - _Before dropping anchor, the captain checked whether the ground below was mud or rock._
24. In art, the background surface on which figures or designs are painted, or from which they stand out in relief.
   - Simple: In art, the background surface behind the painted or carved figures.
   - _Byzantine icon painters set their saints against a luminous gold ground._
   - _The dark figures read clearly against the pale ground of the canvas._
17. Fine bits of solid matter that settle at the bottom of a liquid, most often of coffee.
   - Simple: The small bits of something, like coffee, that are left at the bottom of a drink.
   - _He finished his espresso and frowned at the gritty grounds left in the cup._
   - _Pour slowly so the grounds stay behind in the pot._

## Verb

18. To punish a child or teenager by requiring them to stay at home or give up certain privileges.
   - Simple: To punish a child by making them stay home and lose fun activities.
   - _Her parents threatened to ground her for the rest of the semester._
   - _After the party got out of hand, they grounded their son for a month._
7. To found or fix something firmly on a basis such as a foundation, reason, or principle.
   - Simple: To base an idea, plan, or belief on something solid, like facts or reasons.
   - _Careful historians ground their conclusions in primary sources._
   - _The whole argument is grounded in a single questionable assumption._
10. Simple past and past participle of grind. — simple past and past participle of grind
   - Simple: Simple past and past participle of grind. Use this form when the crushing or rubbing already happened.
   - _He ground his teeth in frustration during the meeting._
   - _The lenses were ground to a precise curvature before polishing._
11. To forbid or prevent an aircraft or pilot from flying.
   - Simple: To stop a plane or pilot from flying.
   - _Regulators may ground the entire fleet while the investigation continues._
   - _The flight surgeon grounded the pilot for six months after the failed medical exam._
19. To link a wire, device, or other conductor electrically to the earth or another ground. *(US)*
   - Simple: To connect a wire or machine to the earth so extra electricity can flow away safely.
   - _Building codes require electricians to ground every metal junction box._
   - _The antenna mast was grounded with a heavy copper wire._
14. To bring someone into a calmer, steadier, or more focused mental or emotional state.
   - Simple: To help someone feel calm, steady, and connected to the present.
   - _Therapists often teach breathing exercises to ground anxious patients._
   - _A few minutes of meditation grounds her before every performance._
16. In baseball, to hit a ball that bounces or rolls along the ground, rather than a fly ball or line drive.
   - Simple: In baseball, to hit the ball so that it rolls or bounces along the ground.
   - _He grounded sharply to the shortstop, who threw him out at first._
   - _With runners on base, hitters try not to ground into a double play._
21. Of a boat or ship, to strike the bottom and remain stuck there.
   - Simple: To hit the bottom in shallow water and get stuck, as a boat does.
   - _The ferry grounded on a sandbar at low tide._
   - _Large ships can ground in narrow channels when the tide is out._
22. To place something on the ground or set it down there.
   - Simple: To put something down so that it rests on the ground.
   - _On the command, the soldiers grounded their rifles in unison._
   - _On command, the honor guard will ground their weapons in one smooth motion._
23. To give someone a basic education in a subject; to teach its elements or first principles.
   - Simple: To teach someone the basic ideas of a subject.
   - _Medical schools ground students in anatomy before any clinical work begins._
   - _She was thoroughly grounded in Latin grammar before reading the classical authors._

## Adjective

9. Crushed, milled, or otherwise reduced to small particles or powder.
   - Simple: Crushed or broken into very small pieces or powder.
   - _Freshly ground pepper has a stronger aroma than the pre-packaged kind._
   - _The sculptor mixed ground marble into the plaster for extra strength._

## Other meanings

- (verb) To supply a machine learning model with relevant information that was not part of its training data.
- (noun) A composition in which a bass line of a few bars is repeated continually beneath a varying melody.
- (noun) The pit of a theater; the open area at floor level directly in front of the stage.
- (noun) In lace and embroidery, the fine mesh net on which the decorative pattern is worked.
- (noun) In etching, a sticky coating spread over a metal plate so that acid bites only where a needle has scratched through it.
- (noun) A strip of timber fixed level with the plaster surface to give trim and moldings something to be nailed into.
- (noun) In Philippine English, an electric shock.
- (noun) In early music, the basic melody above which other voices sing decorative parts, the plainsong.
- (noun) A unit of land area used around Chennai, formerly Madras, in India, and still common in property sales. Also called a munny.
- (verb) In Philippine English, to give someone an electric shock, sometimes a fatal one.
- (verb) In cricket, to touch the bat, a foot, or another body part down behind the crease so as not to be run out.
- (verb) To prime a surface before further work, such as by waxing a metal plate for etching or laying an even wash of color on paper before decorating it.

## Origin

**Meanings 1–8, 11–24** — From Middle English "ground," from Old English "grund," going back to Proto-Germanic "*grunduz." It is related to Dutch "grond" and German "Grund."
**Meanings 9–10** — This is an inflected form of the verb "grind."

Source: DictionaryAI, https://dictionaryai.com/define/ground (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).