Structure that stops the flow of water (3)
I believe the answer is:
dam
(Other definitions for dam that I've seen before include "Weir" , "Retaining barrier" , "Flood barrier" , "Block (river)" , "Barrier to contain the flow of water" .)
I believe the answer is:
dam
(Other definitions for dam that I've seen before include "Weir" , "Retaining barrier" , "Flood barrier" , "Block (river)" , "Barrier to contain the flow of water" .)