/ Dictionary / Index C chordamesoderm: Meaning and Definition of Find definitions for: chor•da•mes•o•derm Pronunciation: (kôr"du-mez'u-dûrm", -mes'-, -mē'zu-, -su-), [key] — n. Embryol. the part of the blastoderm of a young embryo that forms the notochord and related structures. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chordamesoderm (Thesaurus) chordal Chordata Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language