The term 'STREET IN A HORROR SERIES' can be summarized as the street name ELM, which is a three-letter word. ELM is famously known for being the street in the horror movie series 'A Nightmare on ELM Street'. The series follows the story of Freddy Krueger, a serial killer who stalks and kills his victims in their dreams. ELM Street is the location of Freddy's home and the place where he terrorizes his victims.