Abbott-Smith Manual Greek Lexicon
λάσκω (G2997)
1 (KJV) * λάσκω , (in cl., poët.) to clang , crash , crack ; in late prose, to crack or burst noisily : Ac 1:18 ( ἐλάκησεν , perh., however, from λακέω , q.v.; Bl., in l.). (in cl., prose) to scream , shout .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain