Hoist so arranged that a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with the wheel WordNet 3.0 & Open English WordNet

The wheel and axle is a simple machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other. Wikipedia

A simple machine that translates torque or force applied at one radius to a different force or torque at a different radius Wikipedia Disambiguation

One of six simple machines identified by Renaissance scientists drawing from Greek texts on technology;consists of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other Wikidata

A simple machine consisting of a wheel (or similar lever) that turns an axle around which a cord is wound; its mechanical advantage is the ratio of the diameters of the wheel and axle. Wiktionary

Simple machine. Wiktionary (translation)