Word of the Week: cinquefoil (singk-foil) Definition(noun) 1. 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. 2. Also called quinquefoil, quintefoil. Architecture. a panellike ornament consisting of five lobes, divided by cusps, radiating from a common center. 3.Heraldry. a charge in the form of a five-leaved clover. In Context "DeBolt recently drove through Stanley and found an array of meadow flowers in bloom, including wyethia (aka mule’s ears), elephant heads, penstemon, cinquefoil, [...]