What is Jack? - Automotive dictionary and encyklopedia - all about cars, motorcycles, engines etc.

Automotive dictionary (encyklopedia)

Dictionary of terms and abbreviations for cars (automobiles), motorcycles (bikes),
bicycles, boats, engines, machines, machining and car fixing.

[1] A device for lifting the vehicle, or part of the vehicle, off the ground to facilitate repairs. THE MOST COMMON JACKSbody jack
bottle jack
bumper jack
floor jack
garage jack
hydraulic jack
jib-jack
pillar jack
scissors jack
side-lift jack
tire jack
tower jack
tripod jack
trolley jack
[2] A characteristic of swing-axle rear suspensions. Cornering forces can act on these suspensions to lift the body of the vehicle so that the outer wheel tucks or jacks under the vehicle. When carried to the extreme, jacking forces could tip the vehicle over.