PROM Meaning of PROM in English ■ noun informal1》 Brit. short for ~enade (in sense 1). 2》 (also Prom ) Brit. a ~enade concert. 3》 N. Amer. a formal dance, especially one at a high school or college. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004