Definition of "GSA"

(US) Initialism of General Services Administration.  examples

(aviation, travel) Initialism of general sales agreement. A contact between an airline and a travel company to provide customer service in a region where the airline does not have an office.  examples

Initialism of general sales agent. The travel company having such an agreement.  examples

(incest) Initialism of genetic sexual attraction.  quotations  examples

Initialism of gay-straight alliance: a student-run society for discussion of issues relating to sexual orientation.  examples

Initialism of genders and sexualities alliance.  examples