D defs.my
Entry 1 sense Webster, 1913

landing gear

· land·ing gear · IPA
01 n. The wheels and attached structures under an airplane that support it and allow it to move when on the ground; also, the floats or pontoons …
  1. 1.
    The wheels and attached structures under an airplane that support it and allow it to move when on the ground; also, the floats or pontoons of an amphibious airplane together with their supporting structures. Landing gear may be fixed rigidly in place, or retractable when in flight.