cactus - Dictionary definition and pronunciation - Yahoo! Education
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cac·tus  audio  (kkts) KEY 

NOUN:
pl. cac·ti  (-t) KEY  or cac·tus·es
  1. Any of various succulent, spiny, usually leafless plants native mostly to arid regions of the New World, having variously colored, often showy flowers with numerous stamens and petals.
  2. Any of several similar plants.
ETYMOLOGY:
Latin, cardoon, from Greek kaktos


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