porthole

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a window in a ship or airplane
• Hypernyms:
window
• Part Holonyms:
ship, fuselage
• Part Meronyms:
deadlight
2. an opening (in a wall or ship or armored vehicle) for firing through
• Syn:
port, embrasure
• Topics:
ship
• Hypernyms:
opening

• Từ đồng nghĩa / Synonyms:
  port, embrasure