build·ing 
/ˈbɪldɪŋ/ noun
plural build·ings /ˈbɪldɪŋ/ noun 1 [count] : a structure (such as a house, hospital, school, etc.) with a roof and walls that is used as a place for people to live, work, do activities, store things, etc.
▪ My office is in that small brick building. ▪ office/apartment buildings [=buildings with offices/apartments inside] 2 [noncount] : the act or process of making structures by putting together materials
▪ We bought the land for building. — often + of ▪ He planned the building [=construction] of the town's roads and bridges. ▪ The building of the bridge took 10 years. — often used before another noun ▪ building materials/supplies ▪ a building contractor [=someone whose business is building structures] ▪ the building site
▪ My office is in that small brick building. ▪ office/apartment buildings [=buildings with offices/apartments inside]
▪ We bought the land for building. — often + of ▪ He planned the building [=construction] of the town's roads and bridges. ▪ The building of the bridge took 10 years. — often used before another noun ▪ building materials/supplies ▪ a building contractor [=someone whose business is building structures] ▪ the building site
