Longman Dictionary of Contemporary English
Wiktionary
n. A loop of material, typically reinforced rubber with a trapezoidal cross-section, by which a motor or engine turns a fan so that it can cool itself.
WordNet
n. a belt driven by the crankshaft that drives a fan that pulls air through the radiator
Usage examples of "fan belt".
The deputy sheriff, Meliton Naranjo, had lost a finger when, as he was fussing with a fan belt in a truck, his kid had climbed behind the wheel and turned the motor over.
I bought a new fan belt, then started walking on the shoulder of the road back toward my truck.
You blow a fan belt or a hose out there, well, it's a long walk back, you know.
Well, anyway, at this point, see, the water pump gave out and the fan belt broke.
Ray-Lube, spare fan belt, alternator, and three gallons of gasoline.
Gomez got the battery, electronic ignition box, cassette player, sheepskin, jack, lug wrenches, tire chains, half case of Ray-Lube, spare fan belt, alternator, and three gallons of gasoline.
I switched it on and it woke to life with a clatter like a broken fan belt.
She drove her spanking-new Model T Ford away from Boynton's carrying a myriad of accessories upon which Henry Ford had proudly emblazoned his company insignia: a spare fan belt, a tire-patching kit, a small tool kit, a canvas duster to protect her clothes and a pair of goggles for when she lowered the top.
Byleth shoved her chair back hard enough to scrape the hard rubber legs across the tile floor with a noise that mixed fingernails on blackboards with the scream of a jammed fan belt.
Construction fences were papered with offers ('Have tyres in medium condition for 1985 Zhigulis') and pleas ('Looking for fan belt for '64 Peugeot').