Quick Definition
I seal and thus close
Strong's Definition
to seal closely
Derivation: from G2596 (κατά) and G4972 (σφραγίζω);
KJV Usage: seal
Thayer's Greek Lexicon
κατασφραγίζω: perfect passive participle κατεσφραγισμενος; "to cover with a seal (see κατά, III. 3), to seal up, close with a seal": βιβλίον σφραγῖσιν, Rev_5:1. (Job_9:7; Wis_2:5; Aeschylus, Euripides, Plato, Plutarch, Lucian, others.)
Mounce Concise Greek Dictionary
κατασφραγίζω katasphragizō 1x
to seal up, Rev_5:1
Abbott-Smith Greek Lexicon
κατα -σφραγίζω ,
[in LXX : Job_9:7 ; Job_37:7 ( H2856 ), Wis_2:5 * ;]
to seal up, secure with a seal: Rev_5:1 .†
Moulton & Milligan — Vocabulary of the Greek NT
κατασφραγίζω [page 333]
κατασφραγίζω is found bis in the unfortunately very fragmentary report of a professional searcher for stolen goods, P Petr III. 65 ( b ) .6, .13. Cf. P Par 35 .21 (B.C. 163) κ ]αὶ τοῦτον ( sc. σταμνὸν ) κατασφραγισάμενος : the verb παρασφραγίζω occurs bis in the same document. See also PSI IV. 358 .8 (B.C. 252 1) ὃ κατεσφράγισται ἐν κυψάληι ( chest ) ἐν τῷ σιτοβολῶνι ( storehouse, cf. Gen_41:56 ) ἀρτάβαι δέκα . With the use in Rev_5:1 cf. OGIS 266 .42 (iii/B.C.) τά τε γράμματ᾽ ἀνοίσω κατεσφραγισμένα , and Syll 790 .48 (i/B.C.), cited s.v. ἀγγεῖον .
STEPBible — Tyndale Abridged Greek Lexicon
κατα-σφραγίζω
[in LXX: Job.9:7 37:7 (חָתַם), Wis.2:5 * ;]
to seal up, secure with a seal: Rev.5:1.†
(AS)