1. [ noun ] (housing) a house with two units sharing a common wall
Synonyms: semidetached_house duplex_house
Related terms: house
2. [ adjective ] (telecommunication) allowing communication in opposite directions simultaneously

"duplex system" "duplex telephony"

Related terms: telecommunication bidirectional
3. [ adjective ] (used technically of a device or process) having two parts

"a duplex transaction"

Related terms: multiple
4. [ noun ] (housing) an apartment having rooms on two floors that are connected by a staircase
Synonyms: duplex_apartment
Related terms: apartment
Similar spelling:   Duplessis