|ber|nāz, |ba(a)r|-, |bāər|-, -|nez noun
or béarnaise sauce
( -s )
Usage: sometimes capitalized B
Etymology: French béarnaise, feminine of béarnais of Béarn, region of southwestern France
: hollandaise sauce seasoned (as with minced shallots, tarragon, and chervil) and served with meat or fish