Lea

f Range Scale. — In artillery and gunnery, a non-equicrescent scale constructed so that the correction for wind and drift is applied by a single setting; Leaf Sight. — A form of elevating rear sights, consisting of several hinged leaves of different heights. It is usually attached to the tangent sight, and is often called a sliding leaf head. … Leaguer. — The camp of a besieging army; a camp in general; s siege or beleaguering; one who unites in a league or a confederate.