driving belt a belt that carries motion from a motor to the machinery
fan belt a belt driven by the crankshaft that drives a fan that pulls air through the radiator
belt -
an elongated region where a specific condition or characteristic is found; "a belt of high pressure"
region,
part a knowledge domain that you are interested in or are communicating about; "it was a limited realm of discourse"; "here we enter the region of opinion"; "the realm of the occult"
asteroid belt the region of interplanetary space between Mars and Jupiter where most asteroids are found
greenbelt,
greenway a belt of parks or rural land surrounding a town or city
belt -
ammunition (usually of small caliber) loaded in flexible linked strips for use in a machine gun