Geometry (from the Ancient Greek: γεωμετρία; geo- “earth”, -metron “measurement”) is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space. A mathematician who works in the field of geometry is called a geometer.
the source/read more: Wikipedia
GEOMETRY – Mackey’s Encyclopedia of Freemasonry
GEOMETRICAL MASTER MASON – Mackey’s Encyclopedia of Freemasonry