three-cornered

[ three-kawr-nerd ]

/ ˈθriˈkɔr nərd /

having three corners: a three-cornered hat.

pertaining to or involving three persons, parties, or things: The candidates were deadlocked in a three-cornered tie.

Origin of three-cornered

First recorded in 1350–1400, three-cornered is from the Middle English word thre cornerid. See three, cornered

"That one has missed," thought I, standing by in a silent part of this three-cornered convention.

John Splendid |Neil Munro
A sudden change in the wind filled the three-cornered sail, and they moved faster.

The Life of Nancy |Sarah Orne Jewett
He was much heated, his boots and trousers were muddy, and his frock coat had a bad, three-cornered tear in it.

The Girls of Hillcrest Farm |Amy Bell Marlowe
To their astonishment, he raised the three-cornered sail and headed for the open sea.

Caleb West, Master Diver |F. Hopkinson Smith

He wore a blue uniform, had a three-cornered hat tucked under his arm and held a roll of paper in his hand.

The Red Room |August Strindberg