圓丘,小丘,山崗
Hummock \Hum"mock\, n. [Prob. a dim. of hump. See {Hump}.] 1. A rounded knoll or hillock; a rise of ground of no great extent, above a level surface. 2. A ridge or pile of ice on an ice field. 3. Timbered land. See {Hammock}. [Southern U.S.]
hummock n : a small natural hill [syn: {knoll}, {mound}, {hillock}, {hammock}]