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Meaning of housephone

house•phone

Pronunciation: (hous'fōn"), [key]
— n.
  1. a telephone, used for making calls within a hotel or apartment house, that does not have a direct line to an exchange and whose calls are routed through the building's switchboard.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.