v. & adj.
--v.tr.
1. divide (an area) into triangles for surveying purposes.
2 a measure and map (an area) by the use of triangles with a known base length and base angles. b determine (a height, distance, etc.) in this way.
--adj. Zool. marked with triangles.
Derivatives:
triangulately adv. triangulation n.
Etymology: L triangulatus triangular (as TRIANGLE)