Bearnaise Sauce Definition

bâr-nāz, bāär-, -ər-

noun

A sauce of butter and egg yolks that is flavored with vinegar, wine, shallots, tarragon, and chervil.

American Heritage

A creamy sauce, esp. for meat or fish, made of butter and egg yolks and flavored with wine, vinegar, shallots, and herbs.

Webster's New World

(cooking) A sauce resembling hollandaise, but sassier, using white wine.

Wiktionary

Alternative spelling of béarnaise sauce.

Wiktionary

Other Word Forms of Bearnaise Sauce

Singular:

bearnaise sauce

Plural:

barnaise-sauces

from French, the feminine of béarnais (the adjective from the Béarn region, using -ais (“-ese”)) + sauce

From Wiktionary
French béarnaise feminine of béarnais , of Béarn

From American Heritage Dictionary of the English Language, 5th Edition