A.seal jointly with others, “εἰς τὸ προστῆναι τοῖς δημοσίοις θησαυροῖς καὶ συνσφραγίζειν” PRyl.90.9,44 (iii A.D.); συνμαρτυρῶ καὶ συσφραγιῶ (a document) BGU86.40 (ii A.D.):—Med., join in sealing and signing, “τὰς ὁμολογίας” OGI229.86 (Smyrna, iii B.C., συνσ-), cf. PHib.1.29.35 (iii B.C., συνσ-).
II. Med., enclose under the same seal, BGU1204.3 (i B.C.):—Pass., “τὴν συνεσφραγισμένην ἐπιστολήν” PTeb.712.18 (ii B.C.); “ἀντίγραφον συνεσφράγισται” UPZ108.6 (ii B.C.), Sammelb.6236.7 (i B.C.), cf. OGI629.153 (Palmyra, ii A.D.).