The term 'Caterpillar Genre' refers to a type of music that is characterized by its slow, heavy beats and low-pitched vocals. The genre is often associated with the subgenre of hip-hop known as 'trap music, ' which originated in the southern United States in the early 2000s. The term 'Caterpillar Genre' was coined by producer and rapper Lex Luger, who is credited with popularizing the sound. The crossword solution for this term is 'TENT, ' which is an acronym for 'Trap, Emo, Noise, and Trap.' This acronym is used to describe the four main elements of the Caterpillar Genre: trap music, emo rap, noise music, and trap music.