Lats meaning : A staff, particularly one of an Indian kind. A monumental pillar, particularly the Buddhist columns erected in East India. (usually in the plural) A latrine: a rudimentary or military facility for urination and defecation. The gold-backed monetary unit of Latvia from August 1922 until April 1941, when it was replaced by the Soviet ruble; it was typically pegged at about 25 to the British pound. The floating fiat monetary unit of Latvia from 1992 until January 2014, when it was replaced by the euro. A coin or bill of either currency. (usually in the plural) A latissimus dorsi muscle. Latitude