Broach

1. n. The pin in a lock which enters the barrel of the key.
2. n. A spit.
3. n. An awl; a bodkin; also, a wooden rod or pin, sharpened at each end, used by thatchers.
4. n. A tool of steel, generally tapering, and of a polygonal form, with from four to eight cutting edges, for smoothing or enlarging holes in metal; sometimes made smooth or without edges, as for burnishing pivot holes in watches; a reamer. The broach for gun barrels is commonly square and without taper.
5. n. A straight tool with file teeth, made of steel, to be pressed through irregular holes in metal that cannot be dressed by revolving tools; a drift.
6. n. A broad chisel for stonecutting.
7. n. A spire rising from a tower.
8. n. A clasp for fastening a garment. See Brooch.
9. n. A spitlike start, on the head of a young stag.
10. n. The stick from which candle wicks are suspended for dipping.

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.