Machinery . an elongated, tapered, serrated cutting tool for shaping and enlarging holes.

a spit for roasting meat.

a gimlet for tapping casks.

(in a lock) a pin receiving the barrel of a key.

Also, broach spire. Architecture . an octagonal spire rising directly from a tower without any intervening feature.

Masonry . a pointed tool for the rough dressing of stone.

brooch.

to enlarge and finish with a broach.

to mention or suggest for the first time

to broach a subject.

to draw (beer, liquor, etc.), as by tapping

to broach beer from a keg.

to tap or pierce.

Masonry . to shape or dress (a block of stone).

Nautical . (of a sailing vessel) to veer to windward.

to break the surface of water; rise from the sea, as a fish or a submarine.

verb

not mention , close , close up

verb

advance , approach , bring up , hint at , interject , interpose , introduce , mention , moot , move , offer , open up , propose , raise subject , speak of , submit , suggest , talk of , touch on , ventilate * , begin , crack , decant , draw off , puncture , start , tap , uncork , put forth , raise , cut , dress , drift , incision , open , ouch , pierce , pin , prick , publish , spindle , spool , spur , stab , veer , violate , voice