say it: SNOH-bawl
snowball is a noun and verb meaning "plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions". It carries 6 recorded senses.
plant having heads of fragrant white trumpet-shaped flowers; grows in sandy arid regions
ball of ice cream covered with coconut and usually chocolate sauce
ball of crushed ice with fruit syrup
snow pressed into a ball for throwing (playfully)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for snowball come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.