two-way

two–way

adj

Definition of TWO-WAY

1

: being a cock or valve that will connect a pipe or channel with either of two others

2

: moving or allowing movement in either direction <a two–way bridge>

3

a : involving or allowing an exchange between two individuals or groups <there must be good two–way communication — Jerrold Orne>; especially : designed for both sending and receiving messages <two–way radio> b : involving mutual responsibility or reciprocal relationships <political alliance is a two–way thing — T. H. White †1986>

4

: involving two participants <a two–way race>

5

: usable in either of two manners <a two–way lamp>

First Known Use of TWO-WAY

1844