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, Crocanthemum canadense

Type of: helianthemum, sun rose, sunrose

• folding door
• folding money
• folding saw
• foldout
• Foley
• foliaceous
• foliage
• foliaged
• foliar
• foliate
• foliated
• foliation
• folic acid
• folie
• folie a deux
• folio
• foliolate
• foliose
• folium
• folk
• folk art
• folk ballad
• folk dance
• folk dancer
• folk dancing