Lexical Definition

‎ἐπιστομίζω‎ epistomízō (ep-ee-stom-id'-zo) to silence ^G:V
from ‎ἐπί‎ and ‎στόμα‎

stop mouths.

• to put something over the mouth, i.e. (figuratively) to silence

Abbott-Smith

* ἐπι-στομίζω (< στόμα),
to bridle; metaph., to stop the mouth, to silence: Tit 1:11.†

Abbott-Smith References

Liddell-Scott-Jones

ἐπιστομίζω-ίζω,

Attic dialect future -ῐῶ[Refs 4th c.BC+]: (στόμα):—bridle, curb, ἵππον conjecture in [Refs 1st c.AD+]; [δελφῖνας] [Refs 2nd c.AD+]: metaphorically, curb, bridle, τοὺς ἐχθρούς [NT+5th c.BC+]; silence a speaker, [Refs 1st c.AD+]:—passive, ἐπεστομίσθη [Refs 5th c.BC+]

__II. of flute-players, ἐ. ἑαυτὸν φορβειᾷ καὶ αὐλοῖς put on the mouthpiece and flutes, [Refs 1st c.AD+]; but ὁ αὐλὸς ἐ. [Refs]: hence, gag, [Refs 2nd c.AD+]
__III. throw on his face, τινά [Refs]

_{LSJ Scripture Refs: Titus.1.11}