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