Structure that's subject to hydrostatic pressure (3)
I believe the answer is:
dam
(Other definitions for dam that I've seen before include "Retaining barrier" , "Weir" , "Embankment" , "Water retainer" , "Female parent; obstruction" .)
I believe the answer is:
dam
(Other definitions for dam that I've seen before include "Retaining barrier" , "Weir" , "Embankment" , "Water retainer" , "Female parent; obstruction" .)