Strong's #930: bhemowth (pronounced be-hay-mohth')
in form a plural or 929, but really a singular of Egyptian derivation; a water-ox, i.e. the hippopotamus or Nile- horse:--Behemoth.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
behêmôth
1) perhaps an extinct dinosaur
1a) a Diplodocus or Brachiosaurus, exact meaning unknown
Part of Speech: noun masculine
Relation: in form a plural or H929, but really a singular of Egyptian derivation
Usage:
This word is used 1 times:
Job 40:15: "Behold now behemoth, which I made with thee; he eateth grass"