timber |ˈtimbər|nounwood prepared for use in building and carpentry the exploitation of forests for timber [as adj. a small timber building.• trees grown for such wood contracts to cut timber.• (usu. timbers) a wooden beam or board used in building a house, ship, or other structure.• [as exclam. used to warn that a tree is about to fall after being cutwe cried “Timber!” as our tree fell.• [usu. with adj. personal qualities or character, esp. as seen as suitable for a particular role she is frequently hailed as presidential timber.ORIGIN Old English in the sense [a building,] also [building material,]of Germanic origin; related to German Zimmer ‘room,’ from an Indo-European root meaning ‘build.’