Duplex
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( a.) To arrange, as a telegraph line, so that two messages may be transmitted simultaneously; to equip with a duplex telegraphic outfit.
(2): ( a.) Double; twofold.
(1): ( a.) To arrange, as a telegraph line, so that two messages may be transmitted simultaneously; to equip with a duplex telegraphic outfit.
(2): ( a.) Double; twofold.