east river Eastre • east saint louis · · · Info · Definitions · Characters · · east river · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a tidal strait separating Manhattan and the Bronx from Queens and Brooklyn. Synonyms: East River. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076