noun
: a telescopic device for laying an artillery piece for direction that permits the gunner to sight in any direction without moving his head and has an azimuth scale permitting any setting from 0 to 6400 mils
noun
: a telescopic device for laying an artillery piece for direction that permits the gunner to sight in any direction without moving his head and has an azimuth scale permitting any setting from 0 to 6400 mils
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012