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1. Plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions
   - sweet sand verbena, Abronia elliptica
    
2. Ball of ice cream covered with coconut and usually chocolate sauce
    
3. Ball of crushed ice with fruit syrup
    
4. Snow pressed into a ball for throwing (playfully)
    
5. A cocktail made from lemonade and advocaat

1. Increase or accumulate at a rapidly accelerating rate
    
2. Throw snowballs at

Derived forms: snowballing, snowballed, snowballs

Type of: ball, bombard, cocktail, frozen dessert, increase, pelt, sand verbena

Encyclopedia: Snowball Snowball, Arkansas Snowball, Ontario