quadruplex: Meaning and Definition of
quad•ru•plex
Pronunciation: (kwod'roo-pleks", kwo-dr'pleks), [key]
— adj.
- fourfold; quadruple.
- noting or pertaining to a system of telegraphy by which four messages may be transmitted simultaneously over one wire or communications channel.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.