thimble

Short definition from Wiktionary

Noun

1. 1
   A pitted, now usually metal, cup-shaped cap worn on the tip of a finger, which is used in sewing to push the needle through material.
2. 2
   As much as fills a thimble (sense 1); a thimbleful.
3. 3
   An object which resembles a thimble (sense 1) in shape or size: A thimble or similar object used in thimblerig (“a game of skill which requires the bettor to guess under which of three thimbles or small cups a pea-sized object has been placed after the person operating the game rapidly rearranges them”).
4. 4
   An object which resembles a thimble (sense 1) in shape or size: A socket in machinery shaped like a thimble.
5. 5
   A metal ring which a cable or rope intended for attaching to other things is looped around as a protection against chafing.
6. 6
   A ring- or tube-shaped component such as a ferrule.

Verb

1. 1
   To use a thimble (noun sense 1).
2. 2
   To sew.