Quick Definition
I burst asunder with a loud noise
Strong's Definition
to crack open (from a fall)
Derivation: a strengthened form of a primary verb, which only occurs in this and another prolonged form as alternate in certain tenses;
KJV Usage: burst asunder
Thayer's Greek Lexicon
ΛΑΚΩ and λακέω, see λάσκω.
STRONGS NT 2997: λάσκωλάσκω: 1 aorist ἐλάκησα; (cf. Alexander Buttmann (1873) Ausf. Sprchl. ii., p. 233; Krüger, 2:1, p. 134; Kühner, § 343, i., p. 858; (Veitch, under the word); Winer's Grammar, 88 (84));
1. to crack, crackle, crash: Homer, Hesiod, Tragg., Aristophanes
2. to burst asunder with a crack, crack open: Act_1:18; ὁ δράκων φυσηθεις (after having sucked up the poison) ἐλάκησε καί ἀπέθανε καί ἐξεχύθη ὁ ἰός αὐτοῦ καί ἡ χολή, Act. Thomae § 33, p. 219, Tdf. edition.
Mounce Concise Greek Dictionary
λακάω lakaō 1x
burst open, Act_1:18
Abbott-Smith Greek Lexicon
* λάσκω ,
1. (in cl ., poλt.) to clang, crash, crack; in late prose, to crack or burst noisily: Act_1:18 (ἐλάκησεν , perh., however, from λακέω , q.v. ; Bl., in l ).
2. (in cl ., prose) to scream, shout.†
λακέω , Dor. for ληκέω = λάσκω , q.v.
Moulton & Milligan — Vocabulary of the Greek NT
λάσχω [page 371]
See s.v. λακέω . As showing the weakening sense of λάσκω , it may be noted that Thumb ( Handbook , p. 337) cites λάσ̆κομαι from Pontus with the meaning seek aimlessly.
STEPBible — Tyndale Abridged Greek Lexicon
λάσκω
__1. (in cl., poët.) to clang, crash, crack; in late prose, to crack or burst noisily: Act.1:18 (ἐλάκησεν, perh., however, from λακέω, which see; Bl., in l).
__2. (in cl., prose) to scream, shout.†
λακέω, Dor. for ληκέω = λάσκω, q.v
(AS)