The process in which the anatomical structures of the corpus callosum are generated and organized. The corpus callosum is a thick bundle of nerve fibers comprising a commissural plate connecting the two cerebral hemispheres. It consists of contralateral axon projections that provides communications between the right and left cerebral hemispheres. [ https://www.worldcat.org/search?q=bn%3A0838580343 GOC:cls GOC:jid http://purl.obolibrary.org/obo/go/references/0000021 GOC:dgh GOC:dph ]