dam

noun [C]

/dæm/

Definition

› a wall built across a river that stops the river's flow and collects the water, especially to make a reservoir (= an artificial lake) that provides water for an area: The Aswan High Dam is on the River Nile in Egypt. → Compare dykeDitches, dams and tunnels › a dental dam

(Definition of dam noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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