Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

PBX

play
noun \ˌpē-(ˌ)bē-ˈeks\

Definition of PBX

  1. :  a private telephone switchboard



Origin and Etymology of pbx

private branch exchange


First Known Use: 1944


Seen and Heard

What made you want to look up PBX? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a simplified speech bridging languages

Get Word of the Day daily email!