quatrefoil
Kelime Anlamı :

1. dört yapraklı şekil.
2. dört parçalı yaprak.
3. mimari süsleme sanatında dört yapraktan ibaret şekil.
Tanımlar :
1. A representation of a flower with four petals or a leaf with four leaflets, especially in heraldry.
2. architecture tracery or an ornament with four foils or lobes.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. a symmetrical shape which forms the overall outline of four partially-overlapping circles of the same diameter.
2. A stylized flower or leaf with four lobes.
from Wiktionary, Creative Commons Attribution/Share-Alike License