Abbott-Smith Manual Greek Lexicon
θύελλα (G2366)
1 θύελλα , -ης, ἡ ( θύω ), [in LXX De 4:11 5:22 ( 19 ) ( עֲרָפֶל ), Ex 10:22 *;] (poët. in cl.), a hurricane , cyclone , whirlwind : He 12:18 .† SYN. : λαῖλαψ (q.v.).
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain