PBX

PBX

noun \ˌpē-(ˌ)bē-ˈeks\

Definition of PBX

: a private telephone switchboard

Origin of PBX

private branch exchange

First Known Use: 1940

Rhymes with PBX

belowdecks, biconvex, circumflex, Cornish rex, cross-index, Devon rex, gentle sex, googolplex, haruspex, intersex, Malcolm X, megaplex, Middlesex, multiplex, oral sex, pontifex, price index, retroflex, spinifex, subindex, thumb index, unisex