Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun borer

2 senses of borer

Sense 1
bore bit, borer, rock drill, stone drill -- (a drill for penetrating rock)
       => drill -- (a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows))

Sense 2
woodborer, borer -- (any of various insects or larvae or mollusks that bore into wood)
       => invertebrate -- (any animal lacking a backbone or notochord; the term is not used as a scientific classification)