follow Dictionary.com

It’s about time. We are now on Instagram!

mackerel sky

noun
1.
an extensive group of cirrocumulus or altocumulus clouds, especially when well-marked in their arrangement: so called because of a resemblance to the scales on a mackerel.
Origin
1660-1670
1660-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for mackerel sky

mackerel sky

noun
1.
a sky patterned with cirrocumulus or small altocumulus clouds
Word Origin
from the similarity to the pattern on a mackerel's back
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for mackerel sky

Few English speakers likely know this word

Word Value for mackerel

16
19
Scrabble Words With Friends