noun
rostrum
RAHS-trum/ˈrɑːstrəm/
A raised platform for addressing or performing before an audience.
The conductor stands on the elevated rostrum above the seated violinist.

Etymology
Latin rostrum meant a beak or ship's prow. Captured ships' beaks decorated Rome's public speaking platform, giving it a name later extended to other raised platforms.
In context
embedding the 3d holographic fan on the front of the rostrum therefore enable it to function as a platform for speeches
More examples
- The conductor bows from the rostrum as the audience applauds.
- A microphone stands at the front of the rostrum.
- Each candidate takes a turn speaking from the rostrum.
Forms
rostrum · rostrums · rostra