helmet

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. armor plate that protects the head
• Hypernyms:
armor plate, armour plate, armor plating, plate armor, plate armour
• Hyponyms:
armet, basinet, casque, heaume, morion,
cabasset, pickelhaube, sallet, salade
• Part Holonyms:
body armor, body armour, suit of armor, suit of armour, coat of mail, cataphract
• Part Meronyms:
visor, vizor
2. a protective headgear made of hard material to resist blows
• Hypernyms:
headdress, headgear
• Hyponyms:
batting helmet, crash helmet, football helmet, hard hat, tin hat,
safety hat, headpiece, space helmet
• Part Meronyms:
beaver