Nodab was a Hagrite or Arab clan that fought against the Israelite tribes east of the Jordan and was defeated along with Jetur and Naphish.
Definition
Nod was the land to which Cain fled after the murder of Abel and his banishment by God. Its name is associated with exile, wandering, and unrest. It lay east of Eden.
Biblical Usage
Cain migrated to Nod after the Lord drove him away. The biblical account presents the land as the place of his wandering after judgment for Abel’s murder.
Historical Background
The precise region intended by Nod is undiscoverable. The supplied material warns that proposed identifications with places such as China or India are conjectural and unsupported.
Historical Bible Dictionaries
Easton's Bible Dictionary
Exile; wandering; unrest, a name given to the country to which Cain fled (Gen. 4:16). It lay on the east of Eden.
Smith's Bible Dictionary
(flight), the land to which Cain fled after the murder of Abel. [Cain]
International Standard Bible Encyclopedia (ISBE)
<p>nod (nodh): The land of Eden, to which Cain migrated after the murder of his brother and his banishment by Yahweh (Ge 4:16). Conjecture is useless as to the region intended. The ideas of China, India, etc., which some have entertained, are groundless. The territory was evidently at some distance, but where is now undiscoverable.</p>