estuary estuarine • estufa · · · Info · Definitions · Characters · · estuary · · Text Latin · · Script 7 · · Length 4 · · Syllables Definitions · · · (noun) the wide part of a river where it nears the sea; fresh and salt water mix. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079