signalroom
nounUK /ˈsɪɡnəlruːm/
US /ˈsɪɡnəlruːm/
A room where people send and watch signals.
The crew waited in the signalroom for a message from the ship.
OTHER MEANINGS
2. A small room on a train or ship where signal equipment is kept.
The engineer checked the lights in the signalroom.
3. A place where people watch screens for signs of danger or change.
The guards sat in the signalroom all night.
4. A room used for sending secret coded messages.
They hid the codebook in the old signalroom.