Definition of cumulous in US English:

cumulous

adjective

Meteorology
  • See cumulus

    • ‘Above the mighty fortress of earth, dark cumulous nimbus clouds clash violently against each other invoking the worst of all storms and hindering all whom dare to cross by air.’
    • ‘I looked up, a little surprised that half the moon was covered in heavy cumulous clouds.’
    • ‘We were both quiet as we watched the cirrus and cumulous clouds float aimlessly in the vast opening above us.’
    • ‘It conjures up an even bleaker, but nonetheless beautiful landscape of rusted metal and sand, some figures gamboling just over the shore line towards a stunning sky of moody cumulous.’
    • ‘The spokesperson explained that heavy thunderstorms come from cumulous cloud, which go up to 40,000 ft into the atmosphere.’

Pronunciation

cumulous

/-ləs/