sitting, sedentary, of persons or their occupations, ἔργον Hp. Art. 53; οἱ πολλοὶ τῶν τὰς τέχνας ἐχόντων ἑδραῖοί εἰσι X. Lac. 1.3; ἑ. ἀρχαί, opp. στρατεῖαι, Pl. R. 407b; ἑ. βίος AP 11.42 (Crin.).
ἑδραία ῥάχις the horseʼs back on which the rider sits, E. Rh. 783.
steady, steadfast, κάθησʼ ἑδραία Id. Andr. 266; δεῖ τὴν γυναῖκα ὥσπερ κύβον ἑδραῖον εἶναι Plu. Aet.Gr. 2.288d, cf.952d; κύβος -ότατον σῶμα Ti.Locr. 98c; ἑ. βάσεις Pl. Ti. 59d; ἑδραιότατον στοιχεῖον εἶναι τὴν γῆν Heraclit. All. 41; ὂν τὸ πάντων -ότατον Plot. 6.2.8; ἑ. ὕπνος sound sleep, Hp. Epid. 6.4.15; of a cup, Ath. 11.496a: metaph. in Rhet., firmly based, κατάληξις Demetr. Eloc. 19, cf. Longin. 40.4. Adv. -αίως firmly, Ath.Mech. 36.10, Hdn. 3.14.5; steadily, Procl. Hyp. 3.21.
permanently appointed, PStrassb. 40.11 (vi A. D.).