'Umbellifer' definitions:

Definition of 'umbellifer'

noun

Any of numerous aromatic herbs of the family Umbelliferae [syn: umbellifer, umbelliferous plant]

From: GCIDE

Umbellifer \Um*bel"li*fer\, n. [NL. See Umbelliferous.] (Bot.) A plant producing an umbel or umbels. [1913 Webster]