east sea east saint louis • eastside · · · Info · Definitions · Characters · · east sea · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) an arm of the Pacific between China and Japan. Synonyms: Sea of Japan, East Sea. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 s latin small letter s U+0073 t latin small letter t U+0074