- universal serial bus: an external serial bus interface standard for connecting peripheral devices to a computer, as in USB port; USB cable.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- computing a type of serial port for connecting peripheral devices in a system
- Universal Serial Bus: a standard for connection sockets on computers and other electronic equipment
Word Origin and History for usb port
initialism for universal serial bus, by 1994.
Online Etymology Dictionary, © 2010 Douglas Harper