Having three angles. / Located inside a triangle. / (heraldry) Divided into triangles (said of the field).

The area comprising the cities of Raleigh, Durham and Chapel Hill in North Carolina. Used with "the" except when attributive. / Ellipsis of Bermuda Triangle.

(geometry) A polygon with three sides and three angles. / (US, Canada) A set square.

plural of triangle

A largely tropical, Old World, erebid moth, Trigonodes hyppasia, with triangular markings on the wings.

An optical illusion depicting an impossible solid object made of three straight beams of square cross section which meet pairwise at right angles at the vertices of the triangle they form.

A fractal consisting of three copies of itself, shrunk to half size, arranged in a triangular shape without rotating.

A test in which a potential consumer is asked to determine blindly which of three similar items is not identical to the other two.

plural of isosceles triangle

plural of love triangle