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