B2[C]a flat raised area or structureFloors and parts of floorsA2[C]a long, flat raised structure at a railway station, where people get on and off trains: The train for Cambridge will depart from platform 9.Train and bus stations and taxi ranks›[C]the raised part of the floor in a large room, from which you make a speech or give a musical performance: Speaker after speaker mounted/took the platform to denounce the policy.This brilliant young violinist has appeared on concert platforms all round the world.Floors and parts of floorsthe platformUK›the people who are up on a platform in order to speak to an audience: An elderly lady stood up and said she had a question for the platform.The platform party(= the group on the platform) applauded loudly.Groups of people