chordamesoderm [kawr-duh-mez-uh-durm, -mes-, -mee-zuh-, -suh-] Word Origin noun Embryology.
- the part of the blastoderm of a young embryo that forms the notochord and related structures.
Origin of chordamesoderm 1935–40; New Latin chorda (see chord1) + mesoderm Related formschor·da·mes·o·der·mal, chor·da·mes·o·der·mic, adjective