cornstarch cornstalk pine • cornstook · · · Info · Definitions · Synonyms · Characters · · cornstarch · · Text Latin · · Script 10 · · Length 2 · · Syllables Definitions · · · (noun) starch prepared from the grains of corn; used in cooking as a thickener. Synonyms: cornflour. · · Noun Definition 1 Synonyms · · · cornflour · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074