English

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

 

quadruplet

 noun
noun
BrE BrE//ˈkwɒdrʊplət//
 
; NAmE NAmE//ˈkwɑːdrʊplət//
 
; BrE BrE//kwɒˈdruːplət//
 
; NAmE NAmE//kwɑːˈdruːplət//
 
(also quad)
 
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one of four children born at the same time to the same mother Word Origin late 18th cent.: from quadruple, on the pattern of triplet.
See the Oxford Advanced American Dictionary entry: quadruplet