The term TYPE OF JOCKEY can be answered with the word DISC, which is a four letter word. A jockey is a person who rides horses in horse racing or steeplechase racing. A DISC jockey, or DJ, is a type of jockey who plays recorded music for an audience. DJs typically play music from vinyl records, CDs, or digital audio files. They may also use other audio equipment such as turntables, mixers, and synthesizers. DJs are often found in nightclubs, radio stations, and other venues where music is played.