condensation trail(n = noun.object) contrail - 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;
is a kind of cloud
cattle trail, chisholm trail, condensation, condensation pump, deer trail, heat of condensation, iditarod trail, iditarod trail dog sled race, indian trail, mountain trail, paper trail, santa fe trail, ski trail, trail, trail bike, trail boss, trail head, trail riding, trail rope, vapor trail