Definition of Dalek noun from the Oxford Advanced Learner's Dictionary

 

Dalek

 noun
noun
BrE
 
; NAmE
 
 
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a strange and frightening metal creature in the British television series Doctor Who. The Daleks are Doctor Who’s enemies. When they shoot at people they say, ‘Exterminate, exterminate!’ in harsh electronic voices. They helped to make the series popular, especially with children.