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

• ballock
• balloon
• balloon bomb
• balloon flower
• balloon sail
• balloon seat
• balloon vine
• balloonfish
• ballooning
• balloonist
• ballot
• ballot box
• Ballota
• Ballota nigra
• balloting
• ballottement
• ballpark
• ballpen
• ballplayer
• ballpoint
• ballpoint pen
• ballroom
• ballroom dance
• ballroom dancing
• ballroom music