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rostrum

noun [C]
 
 
/ˈrɒs.trəm/ US  /ˈrɑː.strəm/ (plural rostrums or rostra)

Definition

a raised surface on which a person making a speech or a music conductor (= leader) standsFloors and parts of floors
(Definition of rostrum noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of rostrum