1. the practice of writing words or messages in the sky by releasing smoke or vapor from an aircraft

Examples

• The pilot performed skywriting at the air show, spelling out ‘HAPPY BIRTHDAY’ in white smoke.
• Skywriting was a popular form of advertising in the early 20th century.
• We watched the skywriting slowly fade as the wind dispersed the smoke.
• The marriage proposal included skywriting that read ‘WILL YOU MARRY ME?’ above the beach.
• Skywriting requires special equipment to release smoke at precise intervals.
• The company hired a skywriting service to promote their new product launch.