A0319700 (ə-nŭn′sē-ā′tər)n. One that announces, especially an electrical signaling device used in hotels or offices to indicate the sources of calls on a switchboard.an·nun′ci·a·to′ry(-ə-tōr′ē) adj.Thesaurus
Adj.
1.
annunciatory - relating to the act of announcing or being announced