Definition of loaders:
(n) :
(computing) A program that prepares other programs for execution.
(n) :
A tractor with a scoop, for example: front-end loader, front loader, endloader, payloader, bucket loader, tracked loader, wheel loader, etc.
(n) :
(marketing) An incentive given to a dealer.
(n) :
A surname.
(n) :
Ellipsis of backhoe loader [A type of heavy equipment, a wheeled tractor unit with an excavator arm on the back and a payloader attachment on the front, and usually having hydraulic outrigger arms for stabilization. Such tractors frequently have the excavator bucket replaced by other attachments such as a jackhammer, and may have forklift forks replacing the loader bucket attachment.]