Definition of "début" []

• A first public appearance, as of a performer. (noun)
• The formal presentation of a young woman to society. (noun)
• The beginning of a course of action: the debut of a new foreign policy. (noun)
• Usage Problem To present in or make a debut. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• ""The Mancy of Sound," Mr. Coleman's sharp new album with Five Elements, was released in late July; "Synastry," a chamberlike duo outing by Ms. Shyu and the bassist Mark Dresser, is due out next week; and Mr. Sorey will make his label debut as a bandleader in September, with "Oblique 1," a state-of-the-art quintet album."
• "Harper makes his label debut with "Four Aces and a Harp," featuring noted Chicago-area blues players John Primer, Willie "Big Eyes" Smith, Jimmy Burns, and Robert Stroger."
• "Katharine will make her label debut later this year."