cloudtrail
nounUK /ˈklaʊd.treɪl/
US /ˈklaʊd.treɪl/
A cloudtrail is the long white line of cloud that a plane leaves behind in the sky.
We watched the cloudtrail slowly fade behind the airplane.
OTHER MEANINGS
2. A record of activity in a computer cloud service, used to track who did what and when.
The engineer checked the cloudtrail to see who changed the settings.
3. A visible path or trace left by something moving through the clouds.
The rocket's cloudtrail stretched across the morning sky.
4. A series of connected cloud formations that looks like a trail.
From the hill, we saw a cloudtrail drifting toward the valley.