̷ ̷ˈ ̷ ̷ ̷ ̷ˌād.ə(r), -ātə- noun
( -s )
Etymology: Late Latin, from Latin annuntiatus + -or
1. : one that annunciates : announcer
2. : a device for giving audible or visible directives or information: as
a. : an electrically controlled signaling apparatus for indicating which of the connecting lines is calling (as the rooms calling a hotel desk or the floors at which people are signaling for an elevator to stop)
b. : a device for transmitting speed orders to the engine room of a ship