Mark Sam posted a quote from Job. It would be well worth reading the whole passage, which goes into much detail.
OT
Hebrew words used in the Old Testament describe a dinosaur-like creature that other speakers of Hebrew understood:
Strong's Number: 08577 aynnt [FONT=Verdana, Arial, Geneva]
Tanniyn[/FONT]
- dragon, serpent, sea monster
- dragon or dinosaur
- sea or river monster
- serpent, venomous snake
Strong's Number: 08565
at [FONT=Verdana, Arial, Geneva]
from an unused root probably meaning to elongate[/FONT] Tan
- dragon, maybe the extinct dinosaur the plesiosaurus, whale
•
hnnt -
dragon
Strong's Number: 8568
hnnt [FONT=Verdana, Arial, Geneva]
probably fem. of (08565)[/FONT] [FONT=Verdana, Arial, Geneva]
Tannah[/FONT] [FONT=Verdana, Arial, Geneva]
tan-naw'[/FONT]
- habitations, jackals, dragon, sea monster
- meaning uncertain
[FONT=Verdana, Arial, Geneva]Mal 1:3 [/FONT][FONT=Verdana, Arial, Geneva][FONT=Verdana, Arial, Geneva]KJV[/FONT][/FONT][FONT=Verdana, Arial, Geneva]And I hated Esau, and laid his mountains and his heritage waste for the dragons of the wilderness.[/FONT]
Isa 27:1
In that day the LORD will punish Leviathan the fleeing serpent, With His fierce and great and mighty sword, Even Leviathan the twisted serpent; And He will kill the dragon who lives in the sea.
Isa 51:9
Awake, awake, put on strength, O arm of the LORD; Awake as in the days of old, the generations of long ago. Was it not You who cut Rahab in pieces, Who pierced the dragon?
NT
The Greek language also had a word for it, and there were 15 word uses in the New Testament.
http://www.studylight.org/desk/?l=en&query=dragon§ion=0&translation=nas&oq=&sr=1
•
dra/kwn -
dragon
Strong's Number: 1404
dra/kwn [FONT=Verdana, Arial, Geneva]
probably from an alternate form of derkomai (to look)[/FONT] [FONT=Verdana, Arial, Geneva]
Drakon[/FONT] [FONT=Verdana, Arial, Geneva]
drak'-own[/FONT]
- a dragon, a great serpent, a name for Satan
Re 12:3 Then another sign appeared in heaven: and behold, a great red dragon having seven heads and ten horns, and on his heads were seven diadems.
Book of Revelation
13:1 And the dragon stood on the sand of the seashore. Then I saw a
beast coming up out of the
sea,
having ten horns and
seven heads, and on his horns were ten
diadems, and on his heads were blasphemous names. [FONT=Verdana, Arial, Geneva]
Strong's Number: 2342[/FONT]
qhriðon[FONT=Verdana, Arial, Geneva]
[/FONT]qhriðon [FONT=Verdana, Arial, Geneva]
diminutive from the same as (2339)[/FONT] [FONT=Verdana, Arial, Geneva]
Therion[/FONT] [FONT=Verdana, Arial, Geneva]
thay-ree'-on[/FONT][FONT=Verdana, Arial, Geneva]
TDNT[/FONT] [FONT=Verdana, Arial, Geneva]
3:133,333[/FONT] [FONT=Verdana, Arial, Geneva][/FONT]
- an animal
- a wild animal, wild beast, beast
- metaph. a brutal, bestial man, savage, ferocious
[FONT=Verdana, Arial, Geneva]
KJV[/FONT] [FONT=Verdana, Arial, Geneva]
Genesis[/FONT][FONT=Verdana, Arial, Geneva]
1[/FONT][FONT=Verdana, Arial, Geneva]
Exodus[/FONT][FONT=Verdana, Arial, Geneva]
3[/FONT][FONT=Verdana, Arial, Geneva]
Deuteronomy[/FONT][FONT=Verdana, Arial, Geneva]
1[/FONT][FONT=Verdana, Arial, Geneva]
Nehemiah[/FONT][FONT=Verdana, Arial, Geneva]
1[/FONT][FONT=Verdana, Arial, Geneva]
Job[/FONT][FONT=Verdana, Arial, Geneva]
2[/FONT][FONT=Verdana, Arial, Geneva]
Psalm[/FONT][FONT=Verdana, Arial, Geneva]
4[/FONT][FONT=Verdana, Arial, Geneva]
Isaiah[/FONT][FONT=Verdana, Arial, Geneva]
6[/FONT][FONT=Verdana, Arial, Geneva]
Jeremiah[/FONT][FONT=Verdana, Arial, Geneva]
6[/FONT][FONT=Verdana, Arial, Geneva]
Lamentations[/FONT][FONT=Verdana, Arial, Geneva]
1[/FONT][FONT=Verdana, Arial, Geneva]
Ezekiel[/FONT][FONT=Verdana, Arial, Geneva]
2[/FONT][FONT=Verdana, Arial, Geneva]
Micah[/FONT]