Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “USB”

USB

noun [C] uk   /ˌjuː.esˈbiː/ us  
abbreviation for Universal Serial Bus: a part of a computer to which extra devices such as printers, scanners, and digital cameras can be connected easily: a USB portComputer hardware
(Definition of USB from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of USB?
Add Cambridge dictionaries to your browser to your website

Definitions of “USB” in other dictionaries

Word of the Day

nip

to press something quickly and quite hard between two objects, especially sharp objects such as teeth or nails

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More