1. A lightweight protective helmet (plastic or metal) worn by construction workers
   - hard hat, tin hat

Derived forms: safety hats

Type of: helmet

• fore-and-aft sail
• fore-and-aft topsail
• fore-and-after
• fore-topmast
• fore-topsail
• forearm
• forebear
• forebode
• foreboding
• forebrain
• forecast
• forecaster
• forecasting
• forecastle
• foreclose
• foreclosure
• forecourt
• foredate
• foredeck
• foredge
• foredoom
• forefather
• forefend
• forefinger
• forefoot