estuary
Word family adjectiveestuarialestuarianestuarinenounestuary
es·tu·a·ry /ˈestʃuəri, -tʃəri $ -tʃueri/ noun (plural estuaries) [countableC] SGthe wide part of a river where it goes into the sea 河口 → source the Thames estuary 泰晤士河河口
→4 See picture of 见图 RIVER Origin estuary (1500-1600) Latin aestuarium, from aestus “boiling, tide”