see MilloMillo , in the Bible, fortification, N Jerusalem, built in the time of David. At Shechem there was a similar fortification called Beth-millo. .....Click the link for more information..
Jotham's curse--'may fire issue from Abimelech and consume the citizens of Shechem and Beth-millo, and may fire issue from the citizens of Shechem and Beth-millo and consume Abimelech