'Fleabane' definitions:

Definition of 'fleabane'

(from WordNet)
noun
Hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas [syn: fleabane, feabane mullet, Pulicaria dysenterica]
noun
Any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas
noun
Common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron [syn: horseweed, Canadian fleabane, fleabane, Conyza canadensis, Erigeron canadensis]

Definition of 'Fleabane'

From: GCIDE
  • Fleabane \Flea"bane`\, n. (Bot.) One of various plants, supposed to have efficacy in driving away fleas. They belong, for the most part, to the genera Conyza, Erigeron, and Pulicaria. [1913 Webster]