borer

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a drill for penetrating rock
• Syn:
bore bit, rock drill, stone drill
• Derivationally related forms:
bore
• Hypernyms:
drill
• Hyponyms:
cross bit, star drill, straight flute, straight-fluted drill
2. any of various insects or larvae or mollusks that bore into wood
• Syn:
woodborer
• Derivationally related forms:
bore
• Hypernyms:
invertebrate

• Từ đồng nghĩa / Synonyms:
  woodborer, bore bit, rock drill, stone drill