quatrefoil

plural quatrefoils · alternative quadrefoil · alternative archaic quarterfoil · alternative archaic quaterfoil

1. architectureA symmetrical shape that forms the overall outline of four partially-overlapping circles of the same diameter.

   It was a narrow, gravelled island we had to lie on, guarded by glazed brick chimneys and, running along the sides, a prickly little gothic fence of iron finials and terracotta quatrefoils.

   1988, Alan Hollinghurst, The Swimming-Pool Library, paperback edition, London: Penguin Books, →ISBN, page 142

2. governmentA stylized flower or leaf with four lobes.