'Departure' in the Bible

'And Aaron hath given lots over the two goats, one lot for Jehovah, and one lot for a goat of departure;

'And the goat on which the lot for a goat of departure hath gone up is caused to stand living before Jehovah to make atonement by it, to send it away for a goat of departure into the wilderness.

'And he who is sending away the goat for a goat of departure doth wash his garments, and hath bathed his flesh with water, and afterwards he cometh in unto the camp.