📖 WordNook

duplex

adjective
  1. allowing communication in opposite directions simultaneously
    “duplex system”
  2. (used technically of a device or process) having two parts
    “a duplex transaction”
noun
  1. an apartment having rooms on two floors that are connected by a staircase
    duplex apartment
  2. a house with two units sharing a common wall
    duplex housesemidetached house
verb
  1. change into a duplex