1. raised balcony-like area (in a theater, etc.); narrow covered walkway open on one or both sides; building in which artwork is exhibited; hall, room used for a particular purpose; general public. gallerygaller*y , n.; pl. galleries (#). [f. galerie, it. galleria, fr. ll. galeria gallery, perh. orig., a festal hall, banquetting hall; cf. of. galerie a rejoicing, fr. galer to rejoice. cf. gallant, a.]