n 1  :  the dried roots and rhizomes of elecampane used as an aromatic stimulant and esp. formerly as a remedy in pulmonary diseases - called also elecampane , elecampane root   2  cap  :  a genus of Old World perennial herbaceous or rarely shrubby plants (family Compositae) having large yellow radiate heads with anthers caudate at the base and including the elecampane (I. helenium)  3  :  any plant or root of the genus Inula .
 
 
 
Similar sounding terms:  in·lay 
 
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