departureorder
nounUK /dɪˈpɑːtʃə ˈɔːdə/
US /dɪˈpɑːrtʃər ˈɔːrdər/
A departure order is a rule that tells someone it is time to leave.
The captain gave the departure order, and the ship sailed away.
OTHER MEANINGS
2. An official instruction that a person must leave a place.
The officer handed him a departure order to leave the country.
3. A signal that a trip or journey may begin.
The departure order came over the radio, so the plane started to move.
4. A written notice telling workers or soldiers to leave a place.
The soldiers received a departure order and packed their bags.