a hillock, knoll, or mound 小圆丘,岗 ■a hump or ridge in an ice field (冰原中的)冰丘,堆积水 ■(N. Amer.)a piece of forested ground rising above a marsh (北美)(沼泽地中林木茂密的)肥沃高地
派生 hummocky adjective 语源
mid 16th cent. (originally in nautical use denoting a small hillock on the coast): of unknown origin