= foreg., [κοίτη] Hp. Acut. 45; ἱππεῖς καὶ στρατιῶται, i.e. encamped, opp. κάτοικοι, OGI 229.14 (Smyrna, iii B.C.); ἔδοξεν Ἀθηναίων τοῖς τεταγμένοις ἐν Ἐλευσῖνι . . καὶ τοῖς ὑπαίθροις IG 2(2).1304.3 (iii B.C.); παραχειμασία Plb. 3.87.2; δυνάμεις Id. 1.82.14, cf. PCair.Zen. 545.5 (iii B.C.), PMich.Zen. 90.3 (iii B.C.), PTeb. 722.11 (ii B.C.); τὰ κτήνη μου ὕ. ἐστιν PEnteux. 11.2 (iii B.C.); ἀγῶνες Phld. Rh. 2.108S.; πόλεμοι D.H. 6.22; ὕπαιθρον ὕλην λεῖπε Babr. 12.14.
public, open, ὑ. πράξεσι Plu. Cat.Ma. 16; παραφροσύνην ὕ. Id. Agis 2.
as Subst., ὕπαιθρον, τό, open enclosure, IG 2(2).1035.47, Luc. Symp. 20; ἐν ὑπαίθρῳ in the open air, Antipho 5.11, X. Mem. 2.1.6, Oec. 7.19: metaph., εἰς ὕπαιθρον into the public view, into the daylight, πρῶτον εἰς ὕ. ἐξεληλυθώς, of a youth, Plb. 10.3.4; εἰς ὕ. ἕλκειν τινά Plu. Affect. 2.501d; τὴν αὑτῶν ἀμαθίαν εἰς ὕ. ἄγουσι Erot. Prooem.
in military language, from Plb. downwds., τὰ ὕ. the field, the open country, opp. fortified places, τῶν ὑ. ἀντιποιεῖσθαι 1.12.4, 1.30.6; μάχεσθαι ἐν τοῖς ὑ. 18.3.4; ἐκχωρεῖν τῶν ὑ. retire from the open country, and shut themselves up in the towns, 9.3.6; ἡ ἐν ὑπαίθροις οἰκονομία 6.12.5.
ἡ ὕπαιθρος (sc. γῆ), = τὰ ὕπαιθρα, the field, D.H. 8.63, 9.6.
open to the sky, Lat. hypaethros, aedificia, ambulationes, Vitr. 1.2.5, 5.9.5; hypaethros (sc. ναός), a temple with an open skylight, Id. 3.2.1. This form is not used by Att. writers except in the phrase ἐν ὑπαίθρῳ; the form employed by them in Adj. sense is always ὑπαίθριος; v. X. Oec. 7.20, where αἱ ἐν τῷ ὑπαίθρῳ ἐργασίαι are synon. with ὑπαίθρια ἔργα.