<p><strong>Noun</strong></p><ul><li>an elongated, tapered, serrated cutting tool for shaping and enlarging holes</li><li>a spit for roasting meat</li><li>a gimlet for tapping casks</li><li>(in a lock) a pin receiving the barrel of a key</li><li>an octagonal spire rising directly from a tower without any intervening feature (Architecture)</li><li>a pointed tool for the rough dressing of stone (Masonry)</li><li>brooch</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to enlarge and finish with a broach</li><li>to mention or suggest for the first time: to broach a subject</li><li>to draw (beer, liquor, etc.), as by tapping: to broach beer from a keg</li><li>to tap or pierce</li><li>to shape or dress (a block of stone)</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>(of a sailing vessel) to veer to windward</li><li>to break the surface of water; rise from the sea, as a fish or a submarine</li></ul>