[uncountable, countable] the hard material that the trunk and branches of a tree are made of; this material when it is used to build or make things with, or as a fuel He chopped some wood for the fire. a plank of wood All the furniture was made of wood. a wood floor furniture made of a variety of different woods In the spring, cut out the old wood and shorten the young stems (= of bushes, etc.). see deadwood, hardwood,...