A low-level flight, especially of military aircraft, of a ceremonial nature; a flypast (British).
A road or railway that passes over another, allowing routes to cross without interruption.
A high-level overpass built above main overpass lanes.
A pop-up ball: a ball that has been hit to a considerable height above the infield or the shallow outfield; a pop fly.
A folded paper element which pops up from a book, greeting card, etc.
A business that quickly pops up, such as a temporary restaurant.
A pop-up advertisement; an advertisement that is triggered to appear on a computer screen when an Internet user accesses a particular web page.
Opening out to form a three-dimensional structure when the page of a book is opened.
Coming into view suddenly from a concealed position.
Employing the cold launch technique.
Operating or existing for a brief period only; temporary.