Bucket

1. n. The valved piston of a lifting pump.
2. n. A vessel for drawing up water from a well, or for catching, holding, or carrying water, sap, or other liquids.
3. n. A vessel (as a tub or scoop) for hoisting and conveying coal, ore, grain, etc.
4. n. One of the receptacles on the rim of a water wheel into which the water rushes, causing the wheel to revolve; also, a float of a paddle wheel.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.