noun
Etymology: mole (III)
: an underground channel made by a mole plow and used especially for draining heavy farm soils of more or less uniform slope
noun
Etymology: mole (III)
: an underground channel made by a mole plow and used especially for draining heavy farm soils of more or less uniform slope
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012