A mill which is powered by people or a horse, turning a geared axle while walking.
Late 18th century; earliest use found in William Emerson (1701–1782), mathematician. From either walk or walk + mill.
英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。