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

Derived forms: safety hats

Type of: helmet

• skybox
• skycap
• skydive
• skydiver
• skydiving
• Skye
• Skye terrier
• skyhook
• skyjack
• skyjacker
• Skylab
• skylark
• skylight
• skyline
• skype
• skyrocket
• skysail
• skyscraper
• skywalk
• skyward
• skywards
• skyway
• skywriter
• skywriting
• SL