A gear or gearwheel is a rotating machine part typically used to transmit rotational motion and/or torque by means of a series of teeth that engage with...

up gear in Wiktionary, the free dictionary. A gear is a toothed wheel designed to transmit torque to another gear or toothed component. Gear or gears may...

Top Gear is a British automotive magazine and currently inactive motoring-themed entertainment television programme. It is a revival devised by Jeremy...

The Metal Gear franchise features a large number of characters created by Hideo Kojima and designed by Yoji Shinkawa. Its setting features several soldiers...

Metal Gear (Japanese: メタルギア, Hepburn: Metaru Gia) is a franchise of stealth games created by Hideo Kojima. Developed and published by Konami, the first...

gear train or gear set is a machine element of a mechanical system formed by mounting two or more gears on a frame such that the teeth of the gears engage...

Landing gear is the undercarriage of an aircraft or spacecraft that is used for taxiing, takeoff or landing. For aircraft, it is generally needed for all...

A gear stick (rarely spelled gearstick), gear lever (both UK English), gearshift or shifter (both U.S. English), more formally known as a transmission...

Spur gears or straight-cut gears are the simplest type of gear. They consist of a cylinder or disk with teeth projecting radially. Viewing the gear at 90...

epicyclic gear train (also known as a planetary gearset) is a gear reduction assembly consisting of two gears mounted so that the center of one gear (the "planet")...