yellow rocket yellow river • yellow root · · · Info · Definitions · Synonyms · Characters · · yellow rocket · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) noxious cress with yellow flowers; sometimes placed in genus Sisymbrium. Synonyms: yellow rocket, rockcress, rocket cress, Barbarea vulgaris, Sisymbrium barbarea. · · Noun Definition 1 Synonyms · · · rockcress · · Synonym 1 rocket cress · · Synonym 2 barbarea vulgaris · · Synonym 3 sisymbrium barbarea · · Synonym 4 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077 y latin small letter y U+0079