quadrangulate
verb
- pinpoint the location of using 4 points (as opposed to 3 in triangulation)
Wiktionary
adj
Etymology: From Late Latin quadrangulātus. By surface analysis, quadr- + angulate.
- Synonym of quadrangular.
“The ſquared ſtones ioyned togither without anye cement, and the pointed quadrangulate corner ſtones [translating quadranguli] ſtreightlye fitted and ſmoothlye pulliſhed, the edges whereof were of an exquiſite vermillion coulour, as is poſſible to bee deuiſed: […]”
“[I]n the midſt of her [Diana’s] ſhining forehead appeared a certaine ſquared and quadrangulate circle [translating certa cosa rotonda, schiacciata, e liscia], glittering with wonderous luſtre and vnſpeakeable corruſcancie: […]”
verb
Etymology: From quadr- + angulate, after quadrangle and triangulate.
- To divide (a plane or other surface) into quadrangles, often by removing the dividing line between two adjacent triangles (following a previous triangulation).