Glossary of Terms:
 
USB
Universal Serial Bus — An external bus standard that can support multiple peripheral devices in a daisy chain configuration, and has a total bandwidth of 1.5 megabytes per second. USB also supports Plug-and-Play installation and hot plugging.
Source: Yamaha

Also refered as:
  Universal Serial Bus
Related terms:
  Firewire   JazĀ® drive   SCSI   ZipĀ® drive   bus   parallel port   serial bus   serial port