One of the mysteries of the English language finally explained.
More fully "overcup oak". Either of two North American oaks in which the acorn is almost completely enclosed by the cup or its scales: (a) the mossy-cup oak, Quercus macrocarpa (also "overcup white oak"); (b) the swamp white oak, Q. lyrata, of the southern U.S.
Early 19th century; earliest use found in Frederick Pursh (1774–1820). From over- + cup.
In this article we explore how to impress employers with a spot-on CV.