Word

helmet, n.
(helmets)

a protective headgear made of hard material to resist blows
<noun.artifact>

helmet

semantic pointers

hyponym

batting helmet crash helmet football helmet hard hat, tin hat, safety hat headpiece space helmet

part meronym

hypernym

headgear, headdress

armor plate that protects the head
<noun.artifact>

helmet

semantic pointers

hyponym

armet basinet casque heaume morion, cabasset pickelhaube sallet, salade

hypernym

armor plate, armour plate, armor plating, plate armor, plate armour

part holonym

body armor, body armour, suit of armor, suit of armour, coat of mail, cataphract

part meronym