1. A lightweight protective helmet (plastic or metal) worn by construction workers
   "All visitors to the construction site were required to wear hardhats";
   - hard hat, tin hat, safety hat
    
2. A worker skilled in building offices or dwellings etc.
   "The hardhat operated heavy machinery at the building site";
   - construction worker, hard hat

Derived forms: hardhats, hard hats

Type of: artificer, artisan, craftsperson, helmet

Encyclopedia: Hardhat