英语

a sortal classifier used for buildings such as a house, a factory building, an apartment complex, a skyscraper or a hospital ward
― there were 3 rattraps lined by the road; 500 people are living in one building

日语

家、工場の建物、集合住宅、高層ビル、病棟など、建物に対して用いられる sortal classifier _(takkur)
― 道沿いに立ち並ぶ、３棟のボロ屋があった; １棟に５００人が生活している

_{takkur (2016-08-01 08:31:43)}

(TK 01 Aug, 2016) if the building is medium ~ big, you tend to read "tou". on the other hand, you tend to read "mune" if the building is small ~ medium