1 [with object] divide (an area) into triangles for surveying purposes. measure and map (an area) by the use of triangles with a known base length and base angles. determine (a height, distance, or location) by the use of triangles. 2 [with object] form into a triangle or triangles:the brackets triangulate the frame 3 [no object]
chiefly US (in politics) position oneself in such a way as to appeal to or appease both left-wing and right-wing standpoints:will the president decide to triangulate?