verb (used with object), sky·wrote, sky·writ·ten, sky·writ·ing. to produce (a message, advertisement, etc.) by skywriting.

What is the meaning of Skywrite?

: writing formed in the sky by means of a visible substance (such as smoke) emitted from an airplane.

What do you call it when a plane writes in the sky?

Skywriting is the process of using one or more small aircraft, able to expel special smoke during flight, to fly in certain patterns that create writing readable from the ground.