from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Emerging quickly from a recessed or concealed position when activated: pop-up gun emplacements.
  • adj. Rising to form a three-dimensional structure when a page is opened: pop-up illustrations in a children's book.
  • n. A device or illustration that pops up.
  • n. Baseball See pop fly.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. coming into view suddenly from a concealed position
  • adj. opening out to form a three-dimensional structure when the page of a book is opened
  • n. Something that pops up.
  • n. A pop-up advertisement; an advertisement that is triggered to appear on a computer screen when an internet user accesses a particular web page.
  • n. A ball that has been hit to a considerable height above the infield or the shallow outfield; a pop fly.
  • n. A temporary restaurant.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a short high fly ball
  • n. a book (usually for children) that contains one or more pages such that a three-dimensional structure rises up when a page is opened


Sorry, no etymologies found.



Log in or sign up to get involved in the conversation. It's quick and easy.