landing gear

noun3

1. •
   The wheels, tyres, brakes, shock absorbers etc of an aircraft.

   • Modern landing gear usually has a tricycle configuration.
2. •
   Any of the assemblies which support an aircraft when it is on the ground.

   • Large modern commercial aircraft have a nose landing gear and two main landing gears.
3. •
   The bipod stand found near the front end underneath a truck trailer, used to keep the trailer level when not attached to a tractor truck.