n. An ornament in the Pointed style of architecture, consisting of five cuspidated divisions. This form is frequently introduced in circular windows, bosses, rosettes, etc. See foil.n. The common name of several species of plants of the genus Potentilla, from their quinate leaves. Also called five-finger. See Potentilla.n. In heraldry, a five-leafed clover, used as a bearing.n. Also spelled cinqfoil.