From Longman Dictionary of Contemporary Englishaxleax‧le /ˈæksəl/ noun [countable] TTCTthe bar connecting two wheels on a car or other vehicle
Examples from the Corpus
axle• The Albion axle production plant in Glasgow is to lose 67 jobs.• Those riverbeds could snap an axle as crisply as the way that Zervos snapped his fingers when he danced.• After fetching the wagon bed, they rolled out the wheels and axles and assembled the vehicle.• A string led from the axle, via a pulley held by another patient pupil, to a dangling weight.• The axle had been hurled 575 feet by the blast and had crashed into a parked car.• And putting it in an alley can cause garbage trucks to sink up to their axles.Origin axle (1500-1600) axletree “axle” ((13-21 centuries)), from Old Norse öxultre, from öxul “axle” + tre “tree” 