tidewater river tidewater region • tidewater stream · · · Info · Definitions · Synonyms · Characters · · tidewater river · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) a stream in which the effects of the tide extend far upstream. Synonyms: tidal river, tidewater river, tidal stream, tidewater stream. · · Noun Definition 1 Synonyms · · · tidal river · · Synonym 1 tidal stream · · Synonym 2 tidewater stream · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076 w latin small letter w U+0077