Noun
a decorative pin worn by women

Verb
bring up a topic for discussion

n.
A spit.

n.
An awl; a bodkin; also, a wooden rod or pin, sharpened at each end, used by thatchers.

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.

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.

n.
A broad chisel for stonecutting.

n.
A spire rising from a tower.

n.
A clasp for fastening a garment. See Brooch.

n.
A spitlike start, on the head of a young stag.

n.
The stick from which candle wicks are suspended for dipping.

n.
The pin in a lock which enters the barrel of the key.

n.
To spit; to pierce as with a spit.

n.
To tap; to pierce, as a cask, in order to draw the liquor. Hence: To let out; to shed, as blood.

n.
To open for the first time, as stores.

n.
To make public; to utter; to publish first; to put forth; to introduce as a topic of conversation.

n.
To cause to begin or break out.

n.
To shape roughly, as a block of stone, by chiseling with a coarse tool.

n.
To enlarge or dress (a hole), by using a broach.

Broach

He turned a broach that had worn a crown.

Broach

I'll broach the tadpole on my rapier's point.

Whereat with blade, with bloody blameful blade, He bravely broached his boiling bloody breast.

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.

Those very opinions themselves had broached.

A spit.

To spit; to pierce as with a spit.