(aviation) Landing gear mounted in the roots of an aircraft's wings.

(aviation) The primary landing gear of an aircraft, generally located slightly behind the aircraft's center of mass (or slightly ahead of it on a taildragger aircraft) and carrying the majority of the aircraft's weight.

(aviation) Landing gear mounted in the lower part of an aircraft's fuselage, generally between or slightly behind the wings.

plural of worm gear

The gear in a worm drive.

(engineering) functional unit of an apparatus that breaks solid materials into smaller pieces

plural of gear knob

plural of herringbone gear

plural of gear-wheel

Synonym of gear wheel