/ Dictionary / Index S somite: Meaning and Definition of Find definitions for: so•mite Pronunciation: (sō'mīt), [key] — n. any of the longitudinal series of segments or parts into which the body of certain animals is divided; a metamere. one member of a series of paired segments into which the thickened dorsal zone of mesoderm is divided. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: somite (Thesaurus) somewise Somme Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language