From Longman Dictionary of Contemporary EnglishMP3 playerˌMPˈ3 ˌplayer noun [countable] a machine or computer program that plays music which has been downloaded from the InternetFrom Longman Business DictionaryMP3 playerˌMPˈ3 ˌplayer noun [countable]COMPUTING a small piece of electronic equipment or a computer program that plays music which has been downloaded from the Internet
