genius loci UK /ˈɡɛnɪˌʊs ˈləʊki/US /ˈɡɛnɪˌʊs ˈloʊki/ noun2 •The minor deity or spirit watching over a particular place. •(figurative) The spirit or atmosphere of a place, especially conceived as a source of artistic inspiration. formsgenii loci · genii locorum