1. Plural of jacker; people or devices that jack up or lift something, especially vehicles.
Usage: Common in automotive and mechanical contexts
2. Plural of jacker; people who hijack or unlawfully seize control of something (vehicle, aircraft, etc.).
Usage: Often used in compounds like 'carjackers' or 'hijackers'

Examples

• The mechanic used hydraulic jackers to lift the truck for repairs.
• Carjackers targeted vehicles in the parking lot.
• Several jackers were arrested after attempting to steal the delivery truck.
• The garage had multiple floor jackers for servicing different vehicles.
• Airport security increased patrols to prevent potential hijackers and jackers.