/ Dictionary / Index S somato-: Meaning and Definition of Find definitions for: somato- Pronunciation: [key] a combining form meaning “body,” used in the formation of compound words: somatotonia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. somatization disorder somatoform Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language