commandblock

noun
UK /kəˈmɑːnd blɒk/
US /kəˈmænd blɑːk/

A command block is a special block in a computer game that does things when it gets a signal.

He placed a command block under the floor to open the secret door.


OTHER MEANINGS

2. A block of instructions grouped together in a program.

The programmer saved the command block to reuse it later.

3. A section of a keyboard or console holding command keys.

The command block on the left side of the keyboard has the shortcut keys.

4. A unit in a control system that carries out a set command.

Engineers tested the command block before starting the machine.