n. A tree of the coniferous genus Cedrus, of which three species are known.n. The name given, usually with qualifying terms, to various coniferous trees, chiefly North American, and of genera nearly allied to Cedrus.n. A name popularly given in tropical regions to a considerable number of trees, mostly of the natural order Meliaceæ, in no way related to the preceding.n. The wood of the cedar-tree (Cedrus), or (with or without a qualifying term) of any kind of tree called a cedar.Pertaining to the cedar; made of cedar: as, a cedar twig.