'Two-way' definitions:

Definition of 'two-way'

adjective

Supported by both sides; "a two-way treaty" [syn: bipartisan, bipartizan, two-party, two-way]

adjective

Involving two parts or elements; "a bipartite document"; "a two-way treaty" [syn: bipartite, two-part, two-way]

adjective

Operating or permitting operation in either of two opposite directions; "a two-way valve"; "two-way traffic"; "two-way streets"

From: GCIDE

Two-way \Two"-way`\, a. (Pipe Fitting) Serving to connect at will one pipe or channel with either of two others; as, a two-way cock. [Webster 1913 Suppl.]