pop-up Hear it!

pop-up definition

☆ pop·-up (päp′up′)

noun

  1. Baseball pop ()
  2. Comput. a window, containing a message or menu, that appears superimposed over the window in use, often, specif., one containing an advertisement from the Web

adjective

of or designating a book designed so that cut-out portions of an illustration lift when the book is opened to its page, producing a three-dimensional effect

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.