Quick Definition
a wave
Strong's Definition
a billow (as bursting or toppling)
Derivation: from (to swell (with young), i.e. bend, curve);
KJV Usage: wave
Thayer's Greek Lexicon
κῦμα, κυματος, τό (from κυέῶ to swell; Curtius, § 79; from Homer down), a wave (cf. English swell), especially of the sea or of a lake: Mat_8:24; Mat_14:24; Mar_4:37; Act_27:41 (R G Tr text brackets); κύματα ἄγρια, properly, Wis_14:1; with θαλάσσης added, of impulsive and restless men, tossed to and fro by their raging passions, Jud_1:13. (Synonym: cf. κλύδων.)
Mounce Concise Greek Dictionary
κῦμα kyma 5x
a wave, surge, billow, Mat_8:24 ; Mat_14:24 ; Mar_4:37 ; Act_27:41 ; Jud_1:13
Abbott-Smith Greek Lexicon
κῦμα , -τος , τό
( < κύω , to be pregnant, to swell ),
[in LXX chiefly for H1530 ;]
a wave: pl ., Mat_8:24 ; Mat_14:24 , Mar_4:37 ; κ . θαλάσσης , fig ., Jud_1:13 .†
SYN.: κλύδων G2830 , q.v.
Moulton & Milligan — Vocabulary of the Greek NT
κῦμα [page 363]
P Lond 46 .265 (iv/A.D.) (= I. p. 73) ὑπὸ τῶν τῆς θαλάσσης κυμάτων : cf. ib. .24 (= I. p. 66) κυματούμ (ενον ), rolled like a wave (Ed.).
Liddell-Scott — Intermediate Greek Lexicon
κῦμα κῦμα, ατος, τό, [Etym: κύω] "anything swollen" (as if "pregnant"):—hence, "the swell" of the sea, "a wave, billow", Hom. , etc.; collectively, ὡς τὸ κῦμα ἔστρωτο when "the swell" abated, Hdt. metaph. of "a flood" of men, Aesch. :—metaph., κ. ἄτης, κακῶν, συμφορᾶς id=Aesch. , Eur. "the foetus in the womb, embryo", Aesch. ; of the earth, id=Aesch.
STEPBible — Tyndale Abridged Greek Lexicon
κῦμα, -τος, τό
(κύω, to be pregnant, to swell) [in LXX chiefly for גַּל ;]
a wave: pl., Mat.8:24 14:24, Mrk.4:37; κ. θαλάσσης, figuratively, Ju 13.†
SYN.: κλύδων, q.v (AS)