mayonnaise Mayologist • mayor · · · Info · Definitions · Synonyms · Characters · · mayonnaise · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) egg yolks and oil and vinegar. Synonyms: mayo. · · Noun Definition 1 Synonyms · · · mayo · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 y latin small letter y U+0079