Pronunciation (UK) IPA (key): /sɔːs/ (US) IPA (key): /sɔs/ or /sɑs/ Audio (US)(file) Audio (AU)(file) Homophone: source Noun Singular sauce Plural sauces (countable) A sauce is a thick liquid that you put on food to give it a special taste. I put the chicken in a special sauce for two hours before I cook it. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads