Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A sky covered with many small cirrocumulus or altocumulus clouds, resembling the markings found on a mackerel.

from The Century Dictionary.

  • noun A sky in which the clouds have the form called cirro-cumulus—that is, are broken into fleecy masses three, four, or more times as long as they are wide, and arranged in parallel groups. Also called mackerel-back sky.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A sky filled with rows of cirrocumulus or small altocumulus clouds.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun a sky filled with a regular pattern of altocumulus clouds somewhat resembling the skin of a mackerel.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a sky filled with rows of cirrocumulus or small altocumulus clouds

Etymologies

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Examples

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Comments

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  • "Mackerel sky, mackerel sky.
    Never long wet and never long dry."
    Old folk saying.
    The sages at sea and on the farm
    Read clouds for signs of looming harm.
    But if "mackerel sky"
    Means both wet and dry
    Should one take comfort or alarm?

    September 14, 2014

  • That's one of my favorite sayings.

    September 15, 2014