'Cow parsley' definitions:

Definition of 'cow parsley'

From: WordNet
noun
Coarse erect biennial Old World herb introduced as a weed in eastern North America [syn: cow parsley, wild chervil, Anthriscus sylvestris]

Definition of 'Cow parsley'

From: GCIDE
  • Cow parsley \Cow" pars`ley\ (kou` p?rs`l?). (Bot.) An umbelliferous plant of the genus Ch[ae]rophyllum (Ch[ae]rophyllum temulum and Ch[ae]rophyllum sylvestre). [1913 Webster]