Broach (?), n. [OE. broche, F. broche, fr. LL. brocca; prob. of Celtic origin; cf. W. proc thrust, stab, Gael. brog awl. Cf. Brooch.]
He turned a broach that had worn a crown.
An awl; a bodkin; also, a wooden rod or pin, sharpened at each end, used by thatchers.
3. Mech. (a)
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.
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.
A broad chisel for stonecutting.
A spire rising from a tower.
A clasp for fastening a garment. See Brooch.
A spitlike start, on the head of a young stag.
The stick from which candle wicks are suspended for dipping.
The pin in a lock which enters the barrel of the key.
© Webster 1913.
Broach, v. t. [imp. & p. p. Broached (#); p. pr. & vb. n. Broaching.] [F. brocher, fr. broche. See Broach, n.]
To spit; to pierce as with a spit.
I'll broach the tadpole on my rapier's point.
To tap; to pierce, as a cask, in order to draw the liquor. Hence: To let out; to shed, as blood.
Whereat with blade, with bloody blameful blade,
He bravely broached his boiling bloody breast.
To open for the first time, as stores.
You shall want neither weapons, victuals, nor aid; I will open the old armories, I will broach my store, and will bring forth my stores.
To make public; to utter; to publish first; to put forth; to introduce as a topic of conversation.
Those very opinions themselves had broached.
To cause to begin or break out.
To shape roughly, as a block of stone, by chiseling with a coarse tool.
[Scot. & North of Eng.]
To enlarge or dress (a hole), by using a broach.
To broach to Naut., to incline suddenly to windward, so as to lay the sails aback, and expose the vessel to the danger of oversetting.
© Webster 1913.