es·tu·ar·y
noun/ˈestʃuəri/
/ˈestʃueri/
(plural estuaries)
- the wide part of a river where it flows into the sea

enlarge image(江河入海的)河口,河口湾 - the Thames estuary
泰晤士河河口
WordfinderTopics Geographyc1- bend
- course
- current
- dam
- downstream
- estuary
- river
- source
- tributary
- waterfall
Word Originmid 16th cent. (denoting a tidal inlet of any size): from Latin aestuarium ‘tidal part of a shore’, from aestus ‘tide’. - the Thames estuary