Definition of welkin noun from the Oxford Advanced American Dictionary

 

welkin

 noun
noun
NAmE//ˈwɛlkən//
 
[uncountable](literary or old use)
 
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  • the sky or heaven
  • Idioms
    let/make the welkin ring
     
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    to make a very loud noise
    See the Oxford Advanced Learner's Dictionary entry: welkin