n 1  cap  :  a genus of Old World perennial herbs of the lily family (Liliaceae) having erect much-branched stems, minute scalelike leaves, and narrow filiform branchlets that function as leaves  2 a  :  any plant of the genus Asparagus : esp  :  a plant (A. officinalis) widely cultivated for its tender edible young shoots  b  :  the root of cultivated asparagus formerly used as a diuretic .
 
 
 
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