Water accumulating at the bottom of a ship (5)

I believe the answer is:

bilge

(Other definitions for bilge that I've seen before include "Rubbish - water in boat" , "Dirty water in bottom of boat - drivel - nonsense" , "Filthy water that collects in the bottom of a boat" , "Nonsense (informal)" , "Hogwash" .)

I've seen this clue in The Guardian.

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