/
ˈrɒstrəm/
n.
 (pl. rostra  
/-trə/
 or rostrums)
  - a raised platform on which a person stands to make a public speech, play music, or conduct an orchestra. 
▸a similar platform for supporting a film or television camera.
 - chiefly Zoology  a beak-like projection.
 
Derivative
- rostrate
  
/-strət/
 
(also rostrated)
 adj. (chiefly Zoology ). 
Etymology
C16: from L., lit. ‘beak’; orig. used to denote an orator's platform in the Forum in Rome, which was decorated with the beaks of captured galleys.