Definition of cloud deck in English:

cloud deck

Syllabification: cloud deck

noun

Meteorology A bank of clouds of a particular type forming a layer at a certain altitude.
More example sentences
  • So this morning we thought there might be a cloud deck of about 500 feet, and that would have obscured the runway.
  • We stayed below the cloud deck to keep the horizon in view, but with night rapidly approaching, we knew we had to recover soon, or we'd be in big trouble.
  • A low cloud deck blanketed the city, bringing with it the dreary weather that was normal for this time of year.

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