n.1. The section of unreserved seating for an audience, as at an auditorium or stadium: The only tickets that remain unsold are for general admission.2. An amount of money charged for admission to such a section.
gen′eral admis′sion
n. an admission charge for unreserved seats at a theatrical performance, sports event, etc. [1945–50]EncyclopediaSeeseatingSeeGASeeGENAD