ὁρισ-τής · horis-tēs — LSJ
one who marks the boundaries : in pl., officers appointed to settle boundaries, public or private, IG 1(2).94.7, Hyp. Eux. 16, Tab.Heracl. 1.2, al., Plu. TG 21 ; the chief being called γαμέτρας (γεωμέτρης), Tab.Heracl. 1.187, cf. Poll. 9.9, AB 287.
one who determines, δικαίων D. 15.29, cf. Hermog. Stat. 8, Plot. 5.1.5.