side wall

名词 side wall:

1. the side of an automobile tire
   同义词：sidewall
2. a wall that forms the side of a structure
   同义词：sidewall

1. An upper section, often with a sloping floor, projecting from the rear or side walls of a theater or an auditorium to provide additional seating.
   边座，楼座剧院或大礼堂中为了增加座席，而从后面或侧墙突出的具有倾斜地板的上面部分