1. An artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust
   - contrail, condensation trail, vapour trail [Brit, Cdn]

Derived forms: vapor trails

Type of: cloud

Encyclopedia: Vapor trail

• legato
• legator
• legend
• legendary
• legendary creature
• leger
• leger line
• legerdemain
• legerity
• legged
• legging
• leggy
• leghorn
• legibility
• legible
• legibly
• leging
• legion
• legionary
• legionary ant
• legionella
• Legionella pneumophilia
• legionnaire
• Legionnaires' disease
• legislate