M / mētātor
noun

mētātor

gen. mētātōris · gender masculine · decl. 3rd
one who metes out; marks off; a divider and fixer of boundaries
one who metes out or marks off a place, a divider and fixer of boundaries (class.).
Lit.: castrorum antea metator, nunc, ut sperat, urbis, Cic. Phil. 11, 5, 12; cf. id. ib. 14, 4, 10: templi, Lact. 4, 11.—
a measurer figuratively
Trop., a measurer: tempus arbiter et metator initii et finis, Tert. adv. Marc. 1, 8.