单词 | overcup |
释义 | overcup/ˈəʊvəkʌp/noun 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. OriginEarly 19th century; earliest use found in Frederick Pursh (1774–1820). From over- + cup. |
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