borer: Meaning and Definition of

bor•er

1. a person or thing that bores or pierces.
2. a tool used for boring; auger.
1. any of several insects that bore into trees, fruits, etc., esp. a beetle that bores into the woody part of plants.
2. any of various mollusks, worms, etc., that bore into wood, stone, coral, or shells.
4. a marsipobranch fish, as a hagfish, that bores into other fishes to feed on their flesh.