Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: ComputersMP4 playerMP4 play‧er /ˌem piː ˈfɔː ˌpleɪə $ -ˈfɔːr ˌpleɪər/ noun [countable] a machine or computer program that plays music or videos that have been downloaded from the Internet ldoceonline.com
