Cite
 

Meaning of quatrefoil

quat•re•foil

Pronunciation: (kat'ur-foil", ka'tru-), [key]
— n.
  1. a leaf composed of four leaflets.
  2. a panellike ornament composed of four lobes, divided by cusps, radiating from a common center.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.