Quick Definition
I grategnash
Strong's Definition
to creak (squeak), i.e. (by analogy) to grate the teeth (in frenzy)
Derivation: apparently a primary verb;
KJV Usage: gnash
Thayer's Greek Lexicon
τρίζω; to squeak, make a shrill cry (Homer, Herodotus, Aristotle, Plutarch, Lucian, others): transitive, τούς δωντας, to grind or gnash the teeth, Mar_9:18; κατά τίνος, Ev. Nicod. c. 5.
Mounce Concise Greek Dictionary
τρίζω trizō 1x
to creak, grating sound; to gnash, grind the teeth, Mar_9:18
Abbott-Smith Greek Lexicon
** τρίζω ,
[in Aq .: Amo_2:13 ; Sm .: Isa_38:14 * ;]
1. prop ., of sounds by animals, to cry, chirp , etc.
2. Of other sounds, e.g ., trans., τ . ὀδόντας , to gnash or grind the teeth: Mar_9:18 .†
Moulton & Milligan — Vocabulary of the Greek NT
τρίζω [page 642]
In its only occurrence in the NT, Mar_9:18 , τρίζω is used transitively, τοὺς ὀδόντας τρίζειν , to gnash or grind the teeth : see Blass-Debnmner § 148. 1.
Liddell-Scott — Intermediate Greek Lexicon
τρίζω [Etym: Root ΤΡΙΓ] [Etym: Formed from the sound] [Etym: epic part. τετριγῶτες, for τετριγότες] of animals, "to utter a shrill cry, to scream, cry", of young birds, Il. ; of bats, Od. ; of ghosts (which, in Shaksp., "squeak and gibber"), Hom. , etc. of other sounds, νῶτα τετρίγει (epic plup.) the wrestlers' backs "cracked", Il. ; τρ. τοὺς ὀδόντας "to gnash" the teeth, NTest. ; of a musical string, "to twang", Anth.
STEPBible — Tyndale Abridged Greek Lexicon
τρίζω
[in Aq.: Amo.2:13; Sm.: Isa.38:14 * ;]
__1. prop., of sounds by animals, to cry, chirp, etc.
__2. Of other sounds, e.g., trans., τ. ὀδόντας, to gnash or grind the teeth: Mrk.9:18.†
(AS)