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1. To lead, escort, or conduct someone or something out: Bodyguards ushered the politician out of the room. The police ushered out the protesters from the ballpark. The protesters were ushered out of the meeting room.
2. To follow or supersede someone or something: The ability to record sound on film ushered out the era of silent movies. The partygoers ushered the old year out with a champagne toast.