Cormus \Cor"mus\ (k[^o]r"m[u^]s), n. [NL., fr. Gr. kormo`s the trunk of a tree (with the boughs cut off), fr. kei`rein to shear.] 1. (Bot.) See {Corm}. 2. (Biol.) A vegetable or animal made up of a number of individuals, such as, for example, would be formed by a process of budding from a parent stalk wherre the buds remain attached.