'Giants' in the Bible

Which also were accounted giants, as the Anakims; but the Moabites call them Emims.

(That also was accounted a land of giants: giants dwelt therein in old time; and the Ammonites call them Zamzummims;

For only Og king of Bashan remained of the remnant of giants; behold, his bedstead was a bedstead of iron; is it not in Rabbath of the children of Ammon? nine cubits was the length thereof, and four cubits the breadth of it, after the cubit of a man.

And the rest of Gilead, and all Bashan, being the kingdom of Og, gave I unto the half tribe of Manasseh; all the region of Argob, with all Bashan, which was called the land of giants.