hard hat

English Thesaurus

1. a lightweight protective helmet (plastic or metal) worn by construction workers (noun.artifact)

hypernym	:	helmet,
definition	:	a protective headgear made of hard material to resist blows (noun.artifact)

2. a worker skilled in building offices or dwellings etc. (noun.person)

hypernym	:	artificer, artisan, craftsman, journeyman,
definition	:	a skilled worker who practices some trade or handicraft (noun.person)