അർത്ഥം : Something that restrains a flood or outpouring.
ഉദാഹരണം :
Suspension of surveillance opened the floodgates to illegal immigrants.
അർത്ഥം : Regulator consisting of a valve or gate that controls the rate of water flow through a sluice.
പര്യായപദങ്ങൾ : head gate, penstock, sluice valve, sluicegate, water gate