Estuary (3)

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10 5-5

ria

'estuary' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for ria that I've seen before include "Drowned coastal valley" , "Flooded valley" , "Drowned river valley now an inlet of the sea" , "Institution for the promotion of art, in short" , "Submerged valley" .)

I've seen this clue in the King Feature Syndicate and The New York Times.

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