catsup catstone • cattabu · · · Info · Definitions · Synonyms · Characters · · catsup · · Text Latin · · Script 6 · · Length Definitions · · · (noun) thick spicy sauce made from tomatoes. Synonyms: ketchup, cetchup, tomato ketchup. · · Noun Definition 1 Synonyms · · · ketchup · · Synonym 1 cetchup · · Synonym 2 tomato ketchup · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075