Quadra can mean: · Quadra Software solutions Pvt Ltd., ERP Solution For Construction Industries. · Juan Francisco de la Bodega y Quadra, Spanish explorer · Quadra Island, an island in British Columbia, Canada, which is named after the explorer · Quadra, São Paulo, a municipality in Brazil also named after the explorer · Vancouver Quadra, a federal electoral district in British Columbia, Canada · Macintosh Quadra, a line of computers made by Apple Computer · Hiroshi Watanabe a.k.a. QUADRA, Japanese techno musician. · a group of personality types which share the same valued functions in socionics · Quadra , Roman agricultural settlement in quadratic form. · Quadra, a multiplayer Tetris clone featuring recursive gravity. QuadraQuadra