Embankment built to prevent a river from flooding (5)

I believe the answer is:

levee

(Other definitions for levee that I've seen before include "Flood embankment" , "Artificial embankment" , "An embankment built to prevent a river from overflowing" , "Morning reception once held by monarch" , "Retaining embankment" .)

I've seen this clue in The Guardian.

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