jack plugEnglishOxford New American Dictionaryjack plug /ˈjak ˌpləɡ, ˈdʒæk ˌpləɡ / ▸ noun a plug consisting of a single shaft used to make a connection which transmits a signal, typically used in sound equipment.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary