1. A structure designed and constructed to house institutional functions such as government offices, educational facilities, healthcare services, or cultural organizations
The new institutional building will serve as the headquarters for the local government.
O novo edifício institucional servirá como sede do governo local.
2. In urban planning and architecture, a building that serves a public or semi-public function rather than residential or purely commercial purposes
The architect designed several institutional buildings throughout the city center.
O arquiteto projetou diversos edifícios institucionais no centro da cidade.