Old switchboard Synonyms

Definitions for Old


  • (adjective) being of advanced years and especially past middle age
  • (adjective) dating or surviving from the distant past
  • (adjective) having been such at some previous time

Synonyms for phrase

OS abbreviation

OS is an abbreviation for Old Switchboard
What does OS stand for?
OS stands for "Old Switchboard"

Switchboard replaced

Definitions for Switchboard


  • (noun) telephone central where circuits are completed with patchcords