Meanings
nounpost office telephone system (uncountable)
- uncountablecommunicationsSynonym of plain old telephone service
Synonyms: plain old telephone service
Synonyms & antonyms
nounSynonym of plain old telephone service
Similar
Also see
Origin
From post office + telephone + system, due to the telephone network being established by the post office, in some jurisdictions.
Full word history & related roots →Cite this entry
APA
post office telephone system. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/post%20office%20telephone%20system
MLA
“post office telephone system.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/post%20office%20telephone%20system. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “post office telephone system,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/post%20office%20telephone%20system.
Source: post office telephone system on Wiktionary, CC BY-SA 4.0.