- In a GUI, a menu which is always available in the active window, but whose contents are revealed only when a user selects said menu with a mouse or keyboard command. Once selected, the menu choices are presented in a vertical array below the menu title. Also spelled dropdown menu. Also called pull-down menu, or pop-down menu.
Information & Library Science
- noun a vertical list of options that appears on clicking on an item on a computer screen. It remains visible until one of the options has been selected by clicking on it.