set-top box

Definitions

General English

Electronics

  • A box or similar device, such as a decoder box, which rests on top of, or is otherwise placed near a TV or ancillary device such as a VCR. Also spelled settop box. Its abbreviation is STB.
  • acronymSTB

Media Studies

  • noun a device that enables digital and/or cable television signals to be received, and for subscription services to be decoded using a special card
http://www.dictionarycentral.com/definition/set-top-box.html