noun🔗Share계단통A shaft in a multi-story building enclosing a stairway or staircase.""During the fire drill, we all walked down the stairwell to the ground floor." "화재 대피 훈련 동안, 우리는 모두 계단통을 통해 1층으로 내려갔습니다.architecturebuildingChat with AIVocabulary GamePractice Reading