Definition of mayonnaise noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌmeɪəˈneɪz//
; NAmE NAmE//ˈmeɪəneɪz//
(informal mayo
BrE BrE//ˈmeɪəʊ//
; NAmE NAmE//ˈmeɪoʊ//
[uncountable] Sauces
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a thick cold white sauce made from eggs, oil and vinegar, used to add flavour to sandwiches, salads, etc. egg mayonnaise (= a dish made with hard-boiled eggs and mayonnaise) See related entries: Sauces Word OriginFrench, probably from the feminine of mahonnais ‘of or from Port Mahon’, the capital of Minorca.
See the Oxford Advanced American Dictionary entry: mayonnaise