One of the mysteries of the English language finally explained.
Having four leaves or lobes like a quatrefoil; (Architecture) decorated with a quatrefoil or quatrefoils.
Mid 19th century; earliest use found in Robert Willis (1800–1875), engineer and architectural historian. From quatre- + foliated. Compare earlier quatrefoil, quadrifoil and slightly earlier quatrefoiled.
In this article we explore how to impress employers with a spot-on CV.