| Axle 1. (n.) The pin or spindle on which a wheel revolves, or which revolves with a wheel. 2. (n.) A transverse bar or shaft connecting the opposite wheels of a car or carriage; an axletree. 3. (n.) An axis; as, the sun's axle. Thesaurus Entries alcove, axis, axle, axle bar, axle shaft, axle spindle, axle-tree, belvedere, bower, casino, conservatory, distaff, fulcrum, gazebo, gimbal, glasshouse, greenhouse, gudgeon, hinge, hingle, hub, kiosk, lathhouse, mandrel, nave, oarlock, pergola, pin, pintle, pivot, pole, radiant, retreat, rowlock, spindle, summerhouse, swivel, trunnion | ![]() |