popup

Noun

pop-up (plural pop-ups)

1. (Internet) A pop-up advertisement; an advertisement that is triggered to appear on a computer screen when the user accesses a particular web page.
2. A pop-up ball: a ball that has been hit to a considerable height above the infield or the shallow outfield; a pop fly.
3. A folded paper element which pops up from a book, greeting card, etc.

   Synonyms:

   banner, callout, flyout, flyover, modal, overlay, popover

4. A business that opens for a brief temporary period only, such as a temporary restaurant.
   • Pop-ups often charge restaurant prices, but without advance menus, quality control, health-inspected facilities or professional service. Bring cash and arrive early: most pop-ups don't accept credit cards, and popular dishes run out fast.2012, Sam Benson, Alison Bing, Coastal California, Lonely Planet

See all 8 meanings of pop-up