square-cornered triangle
nounUK /skwɛə ˈkɔːnəd ˈtraɪæŋɡəl/
US /skwɛr ˈkɔːrnərd ˈtraɪæŋɡəl/
A triangle is a shape with three sides, and square-cornered means it has a corner like a box.
The child drew a square-cornered triangle with one straight-up corner.
RELATED WORDS
OTHER MEANINGS
2. A triangle that has one 90-degree angle, often used in building and math.
The carpenter cut a square-cornered triangle to fit the roof edge.
3. A playful way to describe a triangle with a sharp, box-like corner.
Her drawing looked like a square-cornered triangle because one corner was perfectly straight.
4. In math class, a triangle with a right angle at one vertex.
We learned that a square-cornered triangle always has one angle of ninety degrees.