three way

/θriːˈweɪ/
noun
  1. A situation or arrangement involving three participants or elements.
    • The trade was a three-way among the three countries.
    • The competition was a three-way between the top three teams.
    • In a three-way, each person gets a turn to speak.
adjective
  1. Involving three people, groups, or parts.
    • They made a three-way agreement to share the profits equally.
    • We had a three-way phone call to discuss the project.
    • The three-way race for class president ended with a tie.
  2. Describing an electrical switch that controls a light from two different locations (often called a three-way switch).
    • He installed a three-way switch so we could turn the hallway light on from either end.
    • The electrician showed me how to wire a three-way circuit for the stairs.
    • You need a three-way switch if you want to control the lamp from two different doors.
Antonyms