From Longman Dictionary of Contemporary EnglishUSBUSB /ˌjuː es ˈbiː/ noun [countable] (universal serial bus) a system used to connect equipment such as a mouse or printer to a computer using wires so that all the equipment can work together Many USB devices come with their own built-in cable.From Longman Business DictionaryUSBUSB noun [countable usually singular] computing (universal serial bus) a part of a computer to which you can connect other equipment, for example a printerYou can plug your camera into the USB port and move images onto your computer for viewing, printing and editing.
