chim·ney 
/ˈtʃɪmni/ noun
plural chim·neys /ˈtʃɪmni/ noun [count] 1 : a part of a building through which smoke rises into the outside air ; especially : the part that sticks up above the roof — see picture at house; see also smoke like a chimney at 2smoke 2 : a tall narrow opening through a large piece of rock (such as a cliff) that can be used for climbing the rock
