'Thimble' definitions:

Definition of 'thimble'

noun

As much as a thimble will hold [syn: thimble, thimbleful]

noun

A small metal cap to protect the finger while sewing; can be used as a small container

From: GCIDE

Thimble \Thim"ble\, n. [OE. thimbil, AS. ??mel, fr. ??ma a thumb. [root]56. See Thumb.]
1. A kind of cap or cover, or sometimes a broad ring, for the end of the finger, used in sewing to protect the finger when pushing the needle through the material. It is usually made of metal, and has upon the outer surface numerous small pits to catch the head of the needle. [1913 Webster]
2. (Mech.) Any thimble-shaped appendage or fixure. Specifically: (a) A tubular piece, generally a strut, through which a bolt or pin passes. (b) A fixed or movable ring, tube, or lining placed in a hole. (c) A tubular cone for expanding a flue; -- called ferrule in England. [1913 Webster]
3. (Naut.) A ring of thin metal formed with a grooved circumference so as to fit within an eye-spice, or the like, and protect it from chafing. [1913 Webster]

From: GCIDE

Bushing \Bush"ing\, n. [See 4th Bush.]
1. The operation of fitting bushes, or linings, into holes or places where wear is to be received, or friction diminished, as pivot holes, etc. [1913 Webster]
2. (Mech.) A bush or lining; -- sometimes called a thimble. See 4th Bush. [1913 Webster]