any of several bulbous plants of the genus Colchicum, of the lily family, esp. C. autumnale, bearing showy, crocuslike white, pink, or purple flowers in autumn.
Main Entry: au·tumn cro·cus Pronunciation: "ot-&m-'krO-k&s Function: noun : an autumn-blooming herb (Colchicum autumnale) of thelily family (Liliaceae) that is the source of medicinal colchicum
