trinity river trinity lily • trinity sunday · · · Info · Definitions · Characters · · trinity river · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) a river in eastern Texas that is formed near Dallas and flows generally southeastward to Galveston Bay. Synonyms: Trinity River. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079