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sauce

sauce /ˈsɑːs/ noun
plural sauces
sauce
/ˈsɑːs/
noun
plural sauces
Britannica Dictionary definition of SAUCE
: a thick liquid that is eaten with or on food to add flavor to it
[count]
[noncount]
see also soy sauce, tartar sauce, white sauce
[count] : a thick liquid or jelly made from cooked fruit see also applesauce
[singular] chiefly British, informal + old-fashioned : rude or impolite language or actions
the sauce US slang : alcoholic drinks : liquor

what's sauce for the goose is sauce for the gander

see 1goose