<p><strong>Noun</strong></p><ul><li>any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans creeping cinquefoil, of the Old World, or P. argentea silvery cinquefoil, of North America.</li><li>also called quinquefoil, quintefoil.</li><li>a panellike ornament consisting of five lobes, divided by cusps, radiating from a common center (Architecture).</li><li>a charge in the form of a five-leaved clover (Heraldry).</li></ul>