/ Dictionary / Index S serration: Meaning and Definition of Find definitions for: ser•ra•tion Pronunciation: (se-rā'shun), [key] — n. serrated condition or form. a serrated edge or formation. one of the notches or teeth of such an edge or formation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: serration (Thesaurus) Serratia* serre-papier Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language