Two-way
WordNet
adjective
(1) Operating or permitting operation in either of two opposite directions
"A two-way valve"
"Two-way traffic"
"Two-way streets"
(2) Involving two parts or elements
"A bipartite document"
"A two-way treaty"
(3) Supported by both sides
"A two-way treaty"
WiktionaryText
Adjective
- allowing traffic in two directions
- moving in both directions
- permitting communication in two directions
- involving the mutual action or participation of two parties
- Playing both offense and defense in the same game