field house
noun [ C ] US uk/ˈfiːld ˌhɑʊs/ us/ˈfiːld ˌhɑʊs/
（尤指大学的）室内运动场，体育馆
a building, especially in a university, where sports events can be held inside and where there is equipment that can be used for exercising
Drake University’s field house seats 12,500 people. 德雷克大学室内运动场可容纳12500名观众。