Lexical Definition

‎φράσσω‎ phrássō (fras'-so) to stop ^G:V
apparently a strengthening form of the base of ‎φρήν‎

stop.

• to fence or inclose, i.e. (specially), to block up (figuratively, to silence)

Abbott-Smith

φράσσω [in LXX: Jb 38:8 (סָכַךְ hi.), Ho 2:6(8)* (שׂוּךְ), Pr 21:13 (אָטַם), etc. ;]
to fence in, stop, close: στόματα λεόντων, He 11:33; στόμα, metaph., Ro 3:19; pass., καύχησις, II Co 11:10.†

Abbott-Smith References

Liddell-Scott-Jones

φράσσω,

Attic dialect φράττω [Refs 5th c.BC+]future φράξω [Refs]aorist ἔφραξα, Epic dialect φράξα [Refs 8th c.BC+], Attic dialect infinitive φάρξαι [Refs]participle δια-φάρξας[Refs]: perfect πέφρᾰκα [Refs 8th c.BC+]: pluperfect ἐμ-πεφράκεσαν [Refs 1st c.AD+]:—middle, see at {φράγνυμι}; future φράξομαι (ἐμ-) [Refs 2nd c.AD+]aorist ἐφραξάμην, Epic dialect φρ- [Refs 8th c.BC+] —passive, future φραχθήσομαι [NT+2nd c.AD+]: aorist 1 ἐφράχθην [Refs 8th c.BC+]aorist 2 ἐφράγην [ᾰ], subjunctive φρᾰγῇ [NT], participle φρᾰγείς [Refs 2nd c.BC+]: perfect πέφραγμαι [Refs 5th c.BC+]: pluperfect ἐπεφράγμην [Refs 2nd c.AD+], 3rd.pers. singular ἐπέφρακτο [Refs 8th c.BC+]aorist active, passive, and middle The Attic dialect spellings πεφαργμένος and ἐφάρξαντο[Refs] by nature, for it does not become η in Ionic dialect]:— fence in, hedge round, hence with collateral notion of defence, secure, fortify, ῥινοῖσι βοῶν φράξαντες ἐπάλξεις having fenced the battlements with shields, [Refs 8th c.BC+]; φράξε δέ μιν [τὴν σχεδίην] ῥίπεσσι he fenced it with mats, to keep out the water, [Refs 8th c.BC+]; ἔρνεσι φ. χεῖρα fill them full with wreaths of victory, [Refs 5th c.BC+] —middle, φράξαντο δὲ νῆας ἕρκεϊ χαλκείῳ they fencedin their ships, [Refs 8th c.BC+]; but ἐφράξαντο τὸ τεῖχος they strengthened it, [Refs 5th c.BC+]: absolutely, strengthen one's fortifications, [Refs 5th c.BC+]in battle-array, [Refs] —passive, φραχθέντες σάκεσιν fenced with shields, [Refs 8th c.BC+]; of the Nile, to be embanked, [Refs]fortified, prepared for defence, [Refs 5th c.BC+]; of a person, armed, ἀσπιδίτης καὶ πεφρ. [Refs 5th c.BC+] having the defence of hope, conjecture in [Refs]

__II put up as a fence, φράξαντες δόρυ δουρί, σάκος σάκεϊ joining spear close to spear, shield to shield, [Refs 8th c.BC+]; φράξαντες τὰ γέρρα having put up the shields as a close, thick fence, [Refs 5th c.BC+] —middle πάγας ὑπερκότους ἐφραξάμεσθα conjecture in [Refs 4th c.BC+]
__II.2 σχάσασαι τὴν οὐρὰν καὶ φ., of dogs, [Refs 5th c.BC+]
__III stop up, block, τὴν ὁδόν [Refs 5th c.BC+] —passive, ὑπὸ ῥευμάτων φραχθείς [ὁ πλεύμων] [Refs 5th c.BC+]
__III.2 metaphorically, bar, stop, τὸ ἡγεμονικόν [Refs 2nd c.AD+]:—passive, ἵνα πᾶν στόμα φραγῇ [NT]

_{LSJ Scripture Refs: 2Cor.11.10 ☩ Rom.3.19 ☩ Rom.3.19 ☩ 2Cor.11.10}