thundercloud

美 [ˈθʌndərˌklaʊd]
英 [ˈθʌndə(r)ˌklaʊd]
  • n.雷雨云
  • 网络雷云;雷云雨
复数:thunderclouds  
thundercloud
n.
1.
雷雨云a large dark cloud that produces thunder and lightning during a storm