n 1  cap  :  a small but important genus of pinnate-leaved palms of tropical Asia and the Malay Archipelago characterized by thick-rinded fruits and including the betel palm  2  :  a palm of the genus Areca or of any of several related genera : esp  :  BETEL PALM .
 
   
 
Similar sounding terms:  arc or ARC  au·ric 
 
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