/ Dictionary / Index M mayonnaise: Meaning and Definition of Find definitions for: may•on•naise Pronunciation: (mā"u-nāz', mā'u-nāz"), [key] — n. a thick dressing of egg yolks, vinegar or lemon juice, oil, and seasonings, used for salads, sandwiches, vegetable dishes, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mayonnaise (Thesaurus) Mayon mayor Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language