hard_hat
1. [ noun ] (work) a worker skilled in building offices or dwellings etc.
Synonyms: construction_worker
Related terms: craftsman
2. [ noun ] (clothing) a lightweight protective helmet (plastic or metal) worn by construction workers
Synonyms: safety_hat tin_hat
Related terms: helmet
Similar spelling:   hard_wheat
  hard_water
  hardheads
  hardheaded