Pronunciation: (twē-yâr', tOO-, twēr; Fr. ty-yer'), [key]
—pl. tu•yèresPronunciation: (twē-yârz', tOO-, twērz; Fr. ty-yer'). [key] Metall.
an opening through which the blast of air enters a blast furnace, cupola, forge, or the like, to facilitate combustion. Also,tu•yerPronunciation: (twē-yâr', tOO-, twēr). [key]See diag. under blast furnace.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.