triangle /trīˈang-gl (also -angˈ)/

1. A plane figure with three angles and three sides (mathematics)
2. Part of the surface of a sphere bounded by three arcs of great circles (spherical triangle)
3. Any mark or thing of that shape
4. A musical instrument of percussion, formed of a steel rod bent in triangle-form, open at one angle
5. A tripod, esp for a pulley for raising weights, or formerly (usu in pl) for binding soldiers to for flogging

triˈangled adjective

triangˈūlar adjective

1. Having three angles
2. (of a number) any of the series of numbers 0, 1, 3, 6, 10, 15, etc, the series being formed by adding 1, 2, 3, 4, 5, consecutively to consecutive members of the series
3. Involving three persons or parties

triangūlarˈity noun

triangˈūlarly adverb

triangˈūlate transitive verb

To survey by means of a series of triangles

1. With, marked with or made up of triangles
2. Triangular

triangˈūlātely adverb

triangūlāˈtion noun

1. The act or process of triangulating, eg for map-making
2. The series of triangles so used

triangulation point same as trigonometrical point (see under trigonometry).

the eternal triangle

An emotional situation involving two men and a woman or two women and a man

• brickies
• brickiest
• bricking
• brickings
• brick-kiln
• brick-kilns
• bricklayer
• bricklayers
• bricklaying
• bricklayings
• brickle
• brickmaker
• brickmakers
• brickmaking
• brickmakings
• brick-nog
• brick-nogging
• brick-red
• bricks
• bricks-and-mortar
• brick-shaped
• brick-tea
• brickwall
• brickwork
• brickworks