Definition of "cirrous" []

• Pertaining to cirri; having filaments, fibrous. (adjective)
• Pertaining to cirrus clouds. (adjective)

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• "Sir John Herschel compared it to a surface studded over with flocks of wool, or to the breaking up of a mackerel sky when the clouds of which it consists begin to assume a cirrous appearance."
• "Farquharson on the connection of cirrous clouds with the Aurora, 197; its altitude, 199."
• "This connection of the polar light with the most delicate cirrous clouds deserves special attention, because it shows that the electro-magnetic evolution of light is a part of a meteorological process."