fallstreak hole
n.— «“Hole punch clouds,” also known as “fallstreak holes,” occur when patches of high cloud freeze and fall as ice crystals, leaving a dramatic gap behind.» —“Holes over Louisiana” Cloud Appreciation Society June 2, 2007. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
The word cloud comes from Old English clūd, meaning “rock” or “hill,” making it a relative of the word clod. The sense of a “hill” or “mass of rocks” was later applied to those vaporous hills in the sky. This is part of a complete episode...