hump

Short definition from Wiktionary

Noun

1. 1
   A mound of earth.
2. 2
   A speed bump or speed hump.
3. 3
   A deformity in humans caused by abnormal curvature of the upper spine.
4. 4
   A rounded fleshy mass, such as on a camel or zebu.
5. 5
   An act of sexual intercourse.
6. 6
   A bad mood.
7. 7
   A painfully boorish person.
8. 8
   A wave that forms in front of an operating hovercraft and impedes progress at low speeds.

Verb

1. 1
   To bend something into a hump.
2. 2
   To carry (something), especially with some exertion.
3. 3
   To rhythmically thrust the pelvis in a manner conducive to sexual intercourse: To dry-hump.
4. 4
   To rhythmically thrust the pelvis in a manner conducive to sexual intercourse: To have sex (with).
5. 5
   To exert oneself; to make an effort.
6. 6
   To vex or annoy.
7. 7
   To shunt wagons / freight cars over the hump in a hump yard.

Proper noun

1. 1
   The Himalayas (a mountain range in Asia), as the challenge for the supply route between India and China.
2. 2
   A diminutive of the male given names Humphrey or Humphry.