IPA: /ˈskaɪˌraɪtə/
KK: /ˈskaɪˌraɪtər/
A person who writes messages in the sky using smoke from an airplane, making the messages visible to people on the ground.
The skywriter created a beautiful message for the wedding proposal in the blue sky.
Skywriter → It is formed from "sky" (from Old Norse *ský, meaning cloud or sky) and "writer" (from Old English *writere, meaning one who writes). The word "skywriter" refers to someone who writes in the sky, typically using smoke from an aircraft.
Think of someone 'writing' ('writer') in the 'sky' — that's why a skywriter creates messages in the clouds.