mackerel sky

1. 1.

   a sky filled with rows of cirrocumulus or small altocumulus clouds

   Broadersky

Questions about mackerel sky

What does mackerel sky mean?

mackerel sky means "a sky filled with rows of cirrocumulus or small altocumulus clouds".

Is mackerel sky a common word?

mackerel sky is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.