ὁρίζω also used in mid. sense ὅρος to divide or separate from, as a boundary, c. acc. et gen., ὁ Νεῖλος τὴν Ἀσίην οὐρίζει τῆς Λιβύης Hdt.:—with two accs. joined by καί, to separate, be a boundary between, Τύρης ποταμὸς οὐρίζει τήν τε Σκυθικὴν καὶ τὴν Νευρίδα γῆν Hdt. to bound, Thuc., Xen.:—Pass. to be bounded, Eur.; metaph., ὡρίσθω μέχρι τοῦδε so far let it go and no further, Thuc. to pass between or through, διδύμους πέτρας Eur. to part and drive away, banish, Eur.:—Pass. to depart from Eur. to mark out by boundaries, mark out, Hdt., Soph.; so, ὁρ. θεόν to mark out his sanctuary, Eur. to limit, determine, appoint, lay down, Trag., Xen.:—so, c. inf. to appoint, order, Eur.:—so, θάνατον ὥρισε τὴν ζημίαν determined the penalty to be death, Dem.:—Pass., perf. part. ὡρισμένος determinate, definite, Arist. to define a word, mostly in Mid., Xen., etc. Mid. to mark out for oneself, take possession of, Aesch., Eur.: —ὁρίζεσθαι βωμούς, στήλας to set them up, Soph., Xen. to determine for oneself, to get a thing determined, Dem. to define a word, Plat.;— c. acc. et inf., Xen., etc. intr. to border upon, Hdt. as Attic law-term, δισχιλίων ὡρισμένος τὴν οἰκίαν having the house marked with ὅροι (cf. ὅρος II), i. e. mortgaged to the amount of 2000 drachms, Dem.