Judges is so called because it tells of the times of various rulers, or judges, of Israel from the possession of Canaan until the time of Samuel. Also found in Judges is the recounting of the adventures of Samson.

Judges 9

9:29 And would to God this people were under my hand! then would I remove Abimelech. And he said to Abimelech, Increase thine army, and come out.