Having, permitting, or indicating passage in three directions: a three-way valve. (adjective)
Having three participants or ingredients: a three-way tie; three-way chili. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "three-way" in a sentence
"To break a three-way tie between LSU, Arkansas and Alabama, BCS rankings will be used -- with a caveat."
"Denarius Moore caught two touchdown passes and Michael Bush had a career night rushing the ball as the Raiders withstood a San Diego rally to beat the Chargers 24-17 and break a three-way tie for the division lead."
"Carter was intent on finishing our first term with a more stable three-way relationship among the United States, China, and the Soviet Union."