Two-way

Origin

From - + way. Compare Old English twiweġ ("intersection, junction of two roads").

Adjective

1. (of a highway) allowing traffic in two directions
2. (of traffic) moving in both directions
3. (of a radio, etc.) permitting communication in two directions
4. (of a project, treaty, etc.) involving the mutual action or participation of two parties
5. (American football) Playing both offense and defense in the same game

Derived terms

• two-way street