mustard sauce mustard plaster • mustard seed · · · Info · Definitions · Characters · · mustard sauce · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) sauce of prepared mustard thinned with vinegar and vegetable oil with sugar and seasonings. Synonyms: mustard sauce. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075