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

 

thundercloud

 noun
noun
BrE BrE//ˈθʌndəklaʊd//
 
; NAmE NAmE//ˈθʌndərklaʊd//
 
Sky
 
jump to other results
a large dark cloud that produces thunder and lightning during a storm See related entries: Sky
See the Oxford Advanced American Dictionary entry: thundercloud