cinquefoil

 
Pronunciation: /ˈsɪŋkfɔɪl/

noun

  • 1a widely distributed herbaceous plant of the rose family, with compound leaves of five leaflets and five-petalled yellow flowers.
    • Genus Potentilla, family Rosaceae
  • 2 Art an ornamental design of five lobes arranged in a circle, e.g. in architectural tracery or heraldry.

Origin:

Middle English: from Latin quinquefolium, from quinque 'five' + folium 'leaf'