noun Etymology: Middle English, from Latin latitudin-, latitudo, from latus wide; akin to Old Church Slavic postĭlati to spread Date: 14th century 1. archaic extent or distance from side to side ; width 2. angular distance from some specified circle or plane of reference: as a. angular distance north or south from the earth's equator measured through 90 degrees b. angular distance of a celestial body from the ecliptic c. a region or locality as marked by its latitude 3. a. scope, range b. the range of exposures within which a film or plate will produce a negative or positive of satisfactory quality 4. freedom of action or choice <
students are allowed considerable latitude in choosing courses
latitudinal adjectivelatitudinally adverb

New Collegiate Dictionary. 2001.