1. Perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
   - frostweed, frost-weed, frostwort, Helianthemum canadense

Type of: helianthemum, sun rose, sunrose

• aircraftsman
• aircrew
• aircrewman
• airdock
• airdrome
• airdrop
• Aire
• Aire River
• aired
• Airedale
• Airedale terrier
• airer
• airfare
• airfield
• airflow
• airfoil
• airforce
• airframe
• airfreight
• airgun
• airhead
• airheaded
• airily
• airiness
• airing