📒 a computer menu, window, etc. that can be brought to the screen quickly while you are working on another document; a computer window, especially one containing an advertisement, that appears on the screen although it has not been requested
📒 a shop, restaurant, etc. that opens quickly somewhere and is designed to only use that location for a short period of time
📒 a ball that is hit high into the air but does not go far, making it easy to catch