Definition of triangulate 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 triangulating an
area. 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?