Quick Definition
κῆτος, ους, τό n.n. a sea monster, huge fish
Strong's Definition
probably from the base of 5490; a huge fish (as gaping for prey)
KJV Usage: whale
UBS Dictionary of the Greek New Testament
noun, n. | -ους
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
κῆτος, -εος (τους), τό, α sea-monster, whale, huge fish, (Hom., Aristot., al.): Mt. xii. 40, fr. Jon. ii. 1 where Sept. κήτει μεγάλῳ for 5)73 21." Knoas, -ἃ [Β. 20 (18) ], 6, (Chald. x5°3 a rock), Cephas (i. q. Πέτρος [ef. B.D. (Am. ed.) p. 2459]), the surname of Simon the apostle: Jn. 1. 42 (43); 1 Co. i. 12; iii. 225 ix. 5; xv. 5; Gal. ii. 9; and LT Tr WH also in Gal. i. 18; ii. 11, 14.
Mounce Concise Greek Dictionary
κῆτος kētos 1x
a large fish, sea monster, whale, Mt. 12:40*
Abbott-Smith Greek Lexicon
κῆτος, -εος (-ους), τό,
[in LXX: Jh 2:1, 11 (דָּג), Ge 1:21 (תַּנִּין), etc.;]
a huge fish, sea-monster: Mt 12:40(LXX).†
Liddell-Scott-Jones — Greek-English Lexicon
κῆτος (kētos) — sea monster. κῆτος, εος, τό, any sea-monster or huge fish, δελφῖνάς τε κύνας τε καὶ εἴ ποθι μεῖζον ἑλῃσι κῆτος [Refs 8th c.BC+]; of seals, [Refs 8th c.BC+]; of the monster to which Andromeda was exposed, [Refs 5th c.BC+]; of the tunny, [Refs 4th c.BC+]
2. in Natural History, of the spouting cetacea, [Refs 4th c.BC+]
II. name of a constellation, [Refs 4th c.BC+]