cinquefoil(n = noun.plant) five-finger - any of a numerous plants grown for their five-petaled flowers; abundant in temperate regions; alleged to have medicinal properties;
Cinquefoil, n. [Cinque five + foil, F. feuille leaf. See Foil.].
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]
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.