Definition of rostrum noun from the Oxford Advanced Learner's Dictionary

 

rostrum

 noun
noun
BrE BrE//ˈrɒstrəm//
 
; NAmE NAmE//ˈrɑːstrəm//
 
, NAmE//ˈrɔːstrəm//
 
(pl. rostrums, rostra
BrE BrE//ˈrɒstrə//
 
; NAmE NAmE//ˈrɑːstrə//
 
, NAmE//ˈrɔːstrə//
 
)
 
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a small raised platform that a person stands on to make a speech, conduct music, receive a prize, etc. He climbed on to the winner’s rostrum. Word Origin mid 16th cent.: from Latin, literally ‘beak’ (from rodere ‘gnaw’). The word was originally used (at first in the plural rostra) to denote part of the Forum in Rome, which was decorated with the beaks of captured galleys, and was used as a platform for public speakers.
See the Oxford Advanced American Dictionary entry: rostrum