British English : dam A dam is a wall built across a river to stop the flow of the water and make a lake.Before the dam was built, the river used to flood.dæm NOUN
noun
a barrier of concrete, earth, etc, built across a river to create a body of water for a hydroelectric power station, domestic water supply, etc
a reservoir of water created by such a barrier
something that resembles or functions as a dam
verb
(transitive) often foll by up to obstruct or restrict by or as if by a dam
noun
the female parent of an animal, esp of domestic livestock
exclamation , adverb , adjective
(often used in combination) a variant spelling of damn (sense 1) , damn (sense 2) , damn (sense 3) , damn (sense 4) ⇒ damfool , dammit
symbol for
decametre(s)
noun
(Carl Peter) Henrik ((ˈhɛnrəɡ) ). 1895–1976, Danish biochemist who discovered vitamin K (1934): Nobel prize for physiology or medicine 1943