Lexical Definition

‎κλύδων‎ klýdōn (kloo'-dohn) waves ^G:N-M
from (to billow or dash over)

raging, wave.

• a surge of the sea (literally or figuratively)

Abbott-Smith

κλύδων, -ωνος, ὁ (κλύζω, of the sea, to wash over), [in LXX: Jh 1:4, 12 (סער), al.;]
a billow, surge: Lk 8:24, Ja 1:6.†
SYN.: κῦμα, a wave.

Abbott-Smith References

Liddell-Scott-Jones

κλύδων [ῠ], ωνος, ὁ,

wave, billow, and collectively, surf, rough water, [Refs 8th c.BC+]; κ. πελάγιος, θαλάσσιος, [Refs 5th c.BC+]

__2 in Medicine texts, splashing in the stomach and chest, [Refs 2nd c.AD+]; of sound heard in pleurisy, [Refs]; ἢν κ. ὑγρῶν ἀναπνέῃ ἐς τὰς διαπνοάς flood of humours, [Refs 2nd c.AD+]; ofinternal water in dropsy, [Refs]
__II metaphorically, κ. κακῶν sea of troubles, [Refs 5th c.BC+]; κ. ἔφιππος flood of chariots, [κλύδωνι τῶν ἄλλων πόλεων διαγομένη 5th-6th c.BC: Plato Philosophus “Leges” 758a; κ. καὶ μανία 4th c.BC: Demosthenes Orator 19.314; ἐν χειμῶνι πολλῷ καὶ κ. τῆς πόλεως 1st-2nd c.AD: Plutarchus Biographus et Philosophus “Coriolanus” 32, compare 2nd c.AD: Marcus Antoninus Imperator 12.14; κ. ἀλογίας 5th c.AD: Hierocles Platonicus Philosophus “in Carmen Aureum - FPG” 26p.479M. ">Refs 5th c.BC+]