GSU en · NOUN Meanings (US, abbreviation, alt-of, initialism) Initialism of geographically separated unit: a military unit not at the same physical location or base as its parent unit. alt of geographically separated unit (abbreviation, alt-of, initialism) Initialism of Georgia State University alt of Georgia State University Forms SpellingFeaturesLabelsSource GSUs Number=Plur lexicographic Coordinates Georgia · UGA Synonyms Georgia State wikidata: Q1509333