three-way

adjective

providing connections to three routes from a central point
involving three things or people

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for three-way

Contemporary Examples of three-way

Polls show that in Maine, Tea Party Gov. Paul LePage is poised to win reelection in a three-way contest.
Return of the Northeastern Republican
David Freedlander
November 4, 2014
A three-way tabloid circulation war was being waged amid a three-way mayoral election.
The Myth of the Central Park Five
Edward Conlon
October 19, 2014
It was a tight, three-way Democratic primary between Washington, Richard Daley, and Jane Byrne.
The Unsung Heroism of Jesse Jackson
David Masciotra
September 7, 2014
Not the reality of the three-way race that Mainers face in November.
Could Maine Re-Elect Its Wingnut Governor Paul LePage?
Ben Jacobs
August 21, 2014
Two of them depart, and Franco engages in three-way sex with Benson and Hudgens in a pool.
The 10 Best Movie Sex Scenes of 2013: ‘Blue Is the Warmest Color,’ ‘Spring Breakers,’ and More
Marlow Stern
December 19, 2013

Historical Examples of three-way

Diagrams of three-way switches are given in Figures 176 and 177.
Motion Picture Operation, Stage Electrics and Illusions
Henry C. Horstmann
For action has been taken within the three-way framework of the Constitution of the United States.
United States Presidents' Inaugural Speeches
Various
I might remind you gentlemen that although we're supposedly a three-way partnership, actually, everything's in my name.
Medal of Honor
Dallas McCord Reynolds
Let's see if we can't get a three-way conversation going; this guy is interesting.
Islands of Space
John W Campbell
The point of the three-way cock is afterward closed with a rubber tube and glass rod.
Scientific American Supplement No. 360, November 25, 1882
Various