An electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable WordNet 3.0 & Open English WordNet

A magnetic cartridge, more commonly called a phonograph cartridge or phono cartridge or a pickup, is an electromechanical transducer that is used to play records on a turntable. Wikipedia

A pickup is a transducer that captures or senses mechanical vibrations produced by musical instruments, particularly stringed instruments such as the electric guitar, and converts these to an electrical signal that is amplified using an instrument amplifier to produce musical sounds through a loudspeaker in a speaker enclosure. Wikipedia

An electromagnetic device which detects vibrations from a musical instrument Wikipedia Disambiguation

Transducer that captures or senses mechanical vibrations produced by musical instruments Wikidata

In a record player, an electromagnetic component that converts the needle vibrations into an electrical signal. Wiktionary