Definition of "mayonnaise"

mayonnaise

/ˈmeɪ.ə.neɪz/

noun
countable and uncountable, plural mayonnaises
1. A dressing made from vegetable oil, raw egg yolks, vinegar or lemon juice, and seasoning, used on salads, with french fries, in sandwiches etc.
  Quotations
  There are 250 foods, including mayonnaise, cheese and cocoa, that don't list ingredients at all.
  1985 May, Boys' Life‎, volume 75, number 5, page 20
  The FDA's original intent for foods included under "standards of identity" ensured that terms like "mayonnaise" or "ice cream” would guarantee the same basic ingredients required in the government-established recipe no matter who manufactured it.
  1975, Irma S. Rombauer, Marion Rombauer Becker, Joy of Cooking‎, page 7
  I grew up thinking that the blue and white Miracle Whip salad dressing jar in the fridge held the same substance the rest of the world knew as mayonnaise. / Now I know that mayonnaise is something entirely different.
  1993, Eve Johnson, Five Star Food
  The oils in store-bought mayonnaise range from olive oil to sunflower oil to safflower oil and some less desirable oils!
  2008, Jan McCracken, The Everything Lactose Free Cookbook‎
  Most store-bought mayonnaise contains ingredients (vinegar, lemonjuice, and salt) that actually slow bacterial growth
  2012, Marie A. Boyle, Sara Long Roth, Personal Nutrition‎
2. Any cold dish with that dressing as an ingredient.
3. Any cream, for example for moisturizing the face or conditioning the hair, for which the base is egg yolks and oil.
  Quotations
  They include cider vinegar, two pre-shampoo products, shampoo, conditioner, hair mayonnaise, oil, leave-in conditioner, end protector, revitalising styling spray and filtered water.
  2016, Emma Tarlo, Entanglement: The Secret Lives of Hair, Oneworld Publications
  Then I implemented a lighter protein conditioner – such as hair mayonnaise, which I learned about from my cousin Renee – for the off weeks. I used this hidden gem in combination with olive oil (yes, I bought a kitchen bottle of olive oil – the same kind my grandmother used in every single delicious dish she ever cooked – strictly for use in my hair).
  2010, Rhea E. Santangelo, Grow It Girl! How I Took My Hair from Broken to Beautiful, Lulu.com, page 26
verb
third-person singular simple present mayonnaises, present participle mayonnaising, simple past and past participle mayonnaised
1. (transitive) To cover or season with mayonnaise.
  Quotations
  Jones himself presided in the kitchen, mincing truffles, mayonnaising lobster, booting waiters out the door with tray after tray of steaming savories and teeth-numbing sweets, […]
  1998, Trace Farrell, The Ruins, page 153
  I thought of mayonnaising her racket handle or substituting it for sunblock, but decided against it.
  2009, David Galef, How to Cope With Suburban Stress