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1.
n. When a person is ordered under law to remain in their residence for a set period of time, usually as a lenient and far simpler alternative to prison. Travel and communications are commonly monitored and/or restricted by tracking devices and surveillance equipment.
He was granted bail but must remain under house arrest until his trial.
by Anon-07 February 01, 2006
 
2.
Locked up inside a house and not allowed to leave. So they become the most awsomest ut player alive.
HouseArest is the best!
by HouseArrest October 06, 2004