tidal basin
- noun
- /ˈtaɪdəl ˈbeɪsən/
- The city constructed a tidal basin to help manage stormwater and prevent flooding.
Examples
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During high tide, the tidal basin filled up, providing a safe space for the watercraft.
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The city's low-lying areas, including Georgetown and the tidal basin of the Potomac,
Blog text (28) -
The fishermen used the tidal basin to dock their boats when the tide was high.
Synonyms
An area of land where water collects and flows into a river, lake, or sea
How Big
Surface Forms
Morphology
The meaning is directly and literally compositional: 'tidal' (related to tides) modifies 'basin' (a low area where water collects), so a B1 learner who knows both words can infer a coastal or tide-filled pool. This is a straightforward noun compound following common cross-linguistic patterns, so the sense is predictable from the parts.
Etymology
The phrase tidal basin comes from two simple words: tidal, about the sea's regular rise and fall, and basin, a bowl or pool. So a tidal basin is a pool near the coast that fills at 'high tide' and is often used for docks or to help control flooding.