PBX

noun
\ ˌpē-(ˌ)bē-ˈeks How to pronounce PBX (audio) \

Definition of PBX

: a private telephone switchboard

First Known Use of PBX

1944, in the meaning defined above

History and Etymology for PBX

private branch exchange

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Dictionary Entries near PBX

PB&J

PBM

PBS

PBX

pc

PC

PCB

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Cite this Entry

“PBX.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/PBX. Accessed 5 Apr. 2020.

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