three corners
Refers to the physical shape or object having three corners, such as a triangular piece of land or a three-cornered item.
This plot of land is shaped like a triangle (has three corners).
three-way intersection; three-cornered crossing
Rare term for a three-way intersection; more commonly called 三叉路 (さんさろ).
See also: 三叉路
On old maps, there is an intersection labeled '三つ角'.
Compound of 三つ (みっつ, 'three') and 角 (かど, 'corner'). The reading みつかど is a straightforward combination.