sky cover

noun

1. the amount of the sky that is covered by clouds, fog, haze, smoke, or the like, usually expressed in tenths of the total sky.

Word History and Origins

Origin of sky cover¹

First recorded in 1955–60

Example Sentences

Then he made a round sky-cover to fit over it, round like the houses of the Pimas.

From Project Gutenberg

Then he threw it to the east, and it rose to the highest point in the sky-cover and began to slide down on the other side.

From Project Gutenberg

Spring, and summer, and autumn had slipped down the hole in the Sky-cover.

From Project Gutenberg

They flew down through the hole in the Sky-cover to the Earth-plain below.

From Project Gutenberg