σφραγίζω

[in LXX chiefly for חָתַם (Deu.32:34, al.), also for סָתַם (Da TH Dan.8:26) ;]

to seal,

__(a) for security: Mat.27:66, Rev.20:3; τ. καρπὸν τοῦτον, figuratively (cf. Deiss. BS, 238 f.; MM, xxiv; DB, iv, 427a), Rom.15:28;

__(b) for concealment, hence, metaphorically, to hide (Da TH Dan.9:24, Jhn.14:17): Rev.10:4 22:10;

__(with) for distinction, Rev.7:3-8; metaphorically, Eph.4:30; mid. 2Co.1:22;

__(d) for authentication (Est.8:8): Jhn.3:33 6:27 (cf. κατα-σφραγίζω).†

(AS)

to seal; to hide