A.disposition of property by will, testament, Ar.V.584,589, D.27.13, etc.; κατὰ διαθήκην by will, OGI753.8 (Cilicia), Test.Epict.4.8, BGU1113.5 (i B.C.), etc.: in pl., “διαθήκας διαθέσθαι” Lys.19.39; “θέσθαι” CIG2690 (Iasus).
II. αἱ ἀπόρρητοι δ. mystic deposits on which the common weal depended, prob. oracles (cf. διαθέτης), Din.1.9 codd.
2. name of an eyesalve, because the recipe was deposited in a temple, Aët.7.118.
III. compact, covenant, “ἢν μὴ διαθῶνται διαθήκην ἐμοί” Ar.Av.440; freq. in LXX, Ge. 6.18, al.; καινή, παλαιὰ δ., Ev.Luc.22.20, 2 Ep.Cor.3.14; disposition (with allusion to 1), Ep.Gal.3.15, cf. Ep.Hebr.9.15.