n. [ Cinque five + foil, F. feuille leaf. See Foil. ] 1. (Bot.) The name of several different species of the genus Potentilla; -- also called five-finger, because of the resemblance of its leaves to the fingers of the hand. [ 1913 Webster ]
2. (Arch.) An ornamental foliation having five points or cups, used in windows, panels, etc. Gwilt. [ 1913 Webster ]
Marsh cinquefoil, the Potentilla palustris, a plant with purple flowers which grows in fresh-water marshes. [ 1913 Webster ]