添い星 添星 房星 房宿 そいぼし noun (common) (futsuumeishi) see: 二十八宿 see: 房・ぼう・3 astronomy, etc. term archaism Chinese "room" constellation (one of the 28 mansions) 添い星 添星 see: 衛星 astronomy, etc. term satellite ◄ ►