reservationcommand

noun
UK /ˌrezəˈveɪʃən kəˈmɑːnd/
US /ˌrezərˈveɪʃən kəˈmænd/

A reservation command is an order that saves a place for you, like a seat or a room, until you get there.

The hotel got a reservation command from our family for two rooms on Friday.


OTHER MEANINGS

2. A computer instruction that keeps a resource free for a certain user or program.

The system sent a reservation command to lock the printer for the next job.

3. An official order that sets aside land or space for a special use.

The government issued a reservation command to protect the forest for the tribe.

4. A military order that keeps soldiers or supplies ready for a future need.

The captain gave a reservation command so the troops would stay on standby.