centroid

cen·troid

noun \ˈsen-ˌtrȯid\

Definition of CENTROID

1

: center of mass

2

: a point whose coordinates are the averages of the corresponding coordinates of a given set of points and which for a given plane or three-dimensional figure (as a triangle or sphere) corresponds to the center of mass of a thin plate of uniform thickness and consistency or a body of uniform consistency having the same boundary

First Known Use of CENTROID

1882