weirnoun [ C ]
uk/wɪər/us/wɪr/a wall built under the water across a river, over which the water flows from one level to another in a controlled way
Thesaurus: synonyms and related words
Parts of watercourses
- artesian well
- backwater
- basin
- branch
- confluence
- delta
- estuary
- firth
- geyser
- head
- lock
- lock-keeper
- midstream
- mooring
- narrows
- reach
- spring
- towpath
- tributary
- water table
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