From Longman Dictionary of Contemporary Englishlanding gearˈlanding gear noun [uncountable] TTAan aircraft’s wheels and other parts that support them SYN undercarriage
Examples from the Corpus
landing gear• The Dowty group will provide twenty five million pounds worth of fuel systems and landing gear for the Tornado.• Only way I can get the plane I need is you lend e the money to buy the other landing gear.• That report was filed after the landing gear failed a latch check and unsafe lights were on when the gear was retracted.• The result was a mild crash; as they hit the ground, the propeller broke and the landing gear gave way.• They entered service with engraved foil type recorders, usually fitted in the landing gear bay.• The landing gear is also a touch fighter-style - tall, thin and hard. 