Definition of IUD noun from the Oxford Advanced American Dictionary

 

IUD

 noun
noun
NAmE//ˌaɪ yu ˈdi//
 
(also coil)
 
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the abbreviation forintrauterine device(a small plastic or metal object placed inside a woman's uterus (= where a baby grows before it is born) to stop her from becoming pregnant)
See the Oxford Advanced Learner's Dictionary entry: IUD