arrow grass arrowed • arrow-grass family · · · Info · Definitions · Synonyms · Characters · · arrow grass · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) tufted perennial found in shallow water or marshland; sometimes poisons livestock. Synonyms: arrow grass, Triglochin maritima. · · Noun Definition 1 Synonyms · · · triglochin maritima · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 g latin small letter g U+0067 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 w latin small letter w U+0077