rye grass ryegrass • ryen · · · Info · Definitions · Synonyms · Characters · · rye grass · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) any of several annual or perennial Eurasian grasses. Synonyms: rye grass, ryegrass. · · Noun Definition 1 Synonyms · · · ryegrass · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079