[brohch] 
| 1. | Machinery. an elongated, tapered, serrated cutting tool for shaping and enlarging holes. |
| 2. | a spit for roasting meat. |
| 3. | a gimlet for tapping casks. |
| 4. | (in a lock) a pin receiving the barrel of a key. |
| 5. | Also, broach spire. Architecture. an octagonal spire rising directly from a tower without any intervening feature. |
| 6. | Masonry. a pointed tool for the rough dressing of stone. |
| 7. | brooch. |
| 8. | to enlarge and finish with a broach. |
| 9. | to mention or suggest for the first time: to broach a subject. |
| 10. | to draw (beer, liquor, etc.), as by tapping: to broach beer from a keg. |
| 11. | to tap or pierce. |
| 12. | Masonry. to shape or dress (a block of stone). |
| 13. | Nautical. (of a sailing vessel) to veer to windward. |
| 14. | to break the surface of water; rise from the sea, as a fish or a submarine. |
broach (brōch)
n.
A dental instrument for removing the pulp of a tooth or exploring its canal.