There are three primary definitions of latitude. Latitude is the degree measurement of the distance north or south of the equator. It also means freedom from restrictions on actions, thought or opinion, and it is used in photography as the range of exposure in which an emulsion can give a useful negative.
The word latitude originated in Middle English in the mid 14th century. It comes from the Latin word latitudo, which means "breadth." Synonyms for latitude include liberty, indulgence and independence. Antonyms include restriction and limitation. The word latitude is a noun.
Latitude is sometimes confused with longitude. Longitude is the distance east or west from the prime meridian on the earth's surface.