Three-way a. Connected with, or serving to connect, three channels or pipes; as, a three-way cock or valve.
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three-way
adj : involving three parties or elements; "the triangular
mother-father-child relationship"; "a trilateral
agreement"; "a tripartite treaty"; "a tripartite
division"; "a three-way playoff" [syn: triangular, trilateral,
tripartite, three-party]