English

Definition of Martin Luther King Jr. Day noun from the Oxford Advanced Learner's Dictionary

 

Martin Luther King Jr. Day

 noun
noun
BrE
 
; NAmE
 
 
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a national holiday in the US on the third Monday in January to celebrate the birthday of Martin Luther King, Jr., who was active in the struggle to win more rights for Black Americans
See the Oxford Advanced American Dictionary entry: Martin Luther King Jr. Day