(Geology)a half-open steep-sided hollow at the head of a valley or on a mountainside, formed by glacial erosion (地质)冰斗(位于山谷顶部或山腰处的圆形凹地,形成于冰侵蚀)。 亦称 corrie 或 cwm
(poetic/literary)a ring, circlet, or circle (诗/文)环;小圈;圆圈
语源
late 17th cent. (in sense 2): from French, from Latin circus