DictionarymayonnaiseCreamy dressing
noun

mayonnaise

MAY-uh-nayz/ˈmeɪəneɪz/

A thick, creamy dressing made with oil and egg yolk.

The mayonnaise forms a thick dollop beside oil and an egg yolk.

A small bowl of thick pale-ivory mayonnaise with a spoon holding a rounded dollop, accompanied by a small glass cruet of golden oil and an egg yolk in a cracked shell.
Etymology

French mayonnaise originally referred to meat served in an oil-and-vinegar sauce; later thickened versions sometimes used eggs instead of gelatin or aspic. The name’s deeper origin is uncertain.

In context

Serious Eats0:11
now hollandaise just like mayonnaise is a fat and water emulsion
The Food Lab: How To Make 1-Minute Hollandaise

More examples

  • She spread mayonnaise on the bread.
  • The dressing contained mayonnaise.
  • He chose a sandwich without mayonnaise.

Forms

mayonnaise

Similar words

aioli
Traditionally a garlic sauce, often made with a different base.
dressing
A broader category of sauces for food.