- rotor cloud
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a cloud within and around which the air is rotating about a horizontal axis, occurring in the lee of a large mountain barrier. Also called roll cloud.[1955-60]
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Universalium. 2010.
rotor cloud
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rotor cloud — a cloud within and around which the air is rotating about a horizontal axis, occurring in the lee of a large mountain barrier. Also called roll cloud. [1955 60] … Useful english dictionary
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roll cloud — Meteorol. 1. arcus. 2. See rotor cloud. * * * … Universalium
roll cloud — Meteorol. 1. arcus. 2. See rotor cloud … Useful english dictionary
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