1. a setting in which something can be displayed to best effect (Freq. 2) - it was a showcase for democracy in Africa • Syn: show window • Hypernyms: setting, background, scope 2. a glass container used to store and display items in a shop or museum or home • Syn: case, display case, vitrine • Derivationally related forms: case (for: case) • Hypernyms: container • Hyponyms: trophy case