feng shui. noun \ˈfəŋ-ˈshwē, -ˈshwā\. Tweet. : a Chinese system for positioning a building and the objects within a building in a way that is thought to agree with spiritual forces and to bring health and happiness.eng shui. noun \ˈfəŋ-ˈshwē, -ˈshwā\. Tweet. : a Chinese system for positioning a building and the objects within a building in a way that is thought to agree with spiritual forces and to bring health and happiness.