treenail

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a wooden peg that is used to fasten timbers in shipbuilding;
water causes the peg to swell and hold the timbers fast
• Syn:
trenail, trunnel
• Hypernyms:
peg, nog

• Từ đồng nghĩa / Synonyms:
  trenail, trunnel