'Pimpernel' definitions:

Definition of 'pimpernel'

(from WordNet)
noun
European garden herb with purple-tinged flowers and leaves that are sometimes used for salads [syn: salad burnet, burnet bloodwort, pimpernel, Poterium sanguisorba]
noun
Any of several plants of the genus Anagallis

Definition of 'Pimpernel'

From: GCIDE
  • Pimpernel \Pim"per*nel\, n. [F. pimprenelle; cf. Sp. pimpinela, It. pimpinella; perh. from LL. bipinnella, for bipinnula two-winged, equiv. to L. bipennis; bis twice + penna feather, wing. Cf. Pen a feather.] (Bot.) A plant of the genus Anagallis, of which one species (Anagallis arvensis) has small flowers, usually scarlet, but sometimes purple, blue, or white, which speedily close at the approach of bad weather. [1913 Webster]
  • Water pimpernel. (Bot.) See Brookweed. [1913 Webster]