estuary C2 Topic:The Human Body US /ˈɛst͡ʃuˌɛɹi/ UK /ˈɛstjʊəɹi/ See IPA manual Freq #37127 Meanings 1 noun A coastal water body where ocean tides and river water merge, resulting in a brackish water zone. The railway then follows the widening estuary of the river, which at high tide has the appearance of a lake, but at low water presents a rather cheerless expanse of dark mud. 2 noun the wide part of a river where it nears the sea 3 noun An ocean inlet also fed by fresh river water. Thesaurus Word family Derived forms estuarialestuarianestuariedpalaeoestuarysubestuary Related forms aestuousecotoneestuateestuationexestuateexestuation Etymology From Latin aestuarium (“creek”, “estuary of a river”). Topics The Human Body External links Cambridge Dictionary Wiktionary Google Images # estuary **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /ˈɛst͡ʃuˌɛɹi/ **IPA (UK):** /ˈɛstjʊəɹi/ **Frequency rank:** 37127 ## Meanings 1. A coastal water body where ocean tides and river water merge, resulting in a brackish water zone. 2. the wide part of a river where it nears the sea 3. An ocean inlet also fed by fresh river water. ## Examples - The railway then follows the widening estuary of the river, which at high tide has the appearance of a lake, but at low water presents a rather cheerless expanse of dark mud. ## Derived Forms - estuarial - estuarian - estuaried - palaeoestuary - subestuary ## Related Forms - aestuous - ecotone - estuate - estuation - exestuate - exestuation ## Etymology From Latin aestuarium (“creek”, “estuary of a river”). ## Topics - The Human Body markdown