Advertisement - Continue reading below

Definition of "flap" []

  • A flat, usually thin piece attached at only one side. (noun)
  • A projecting or hanging piece usually intended to double over and protect or cover: the flap of an envelope. (noun)
  • The act of waving or fluttering: the flap of the flag in the wind. (noun)
  • The sound produced by this motion. (noun)
  • A blow given with something flat; a slap. (noun)

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.

Use "flap" in a sentence
  • "This flap is about the stupidist thing I have ever heard of."
  • "Media Watch: My reaction to the minor, but loud, Miss USA/Miss Teen USA media flap is a personal indictment of the organization which "handles" these newly-minted celebrities."
  • "T. Rex joins me and others in wondering what all the flap is about Mary Cheney; it's just hypocrisy, baby."