Strong's #2785: ketos (pronounced kay'-tos)

probably from the base of 5490; a huge fish (as gaping for prey):--whale.

Thayer's Greek Lexicon:

͂

kētos

1) a sea monster, whale, huge fish

Part of Speech: noun neuter

Relation: probably from the base of G5490

Usage:

This word is used 1 times:

 

Matthew 12:40: "nights in the whale's belly; so shall the Son"