pull-down 
adjective Computing
(Of a menu) appearing below a menu title only while selected. Compare with drop-down.We'll make it as easy as possible by providing you with an online, automatic metadata generator that has pull-down menus to select headings from a subject tree and support from ISL staff....
- This site will also let you select a specific movie title from a pull-down menu, enter your zip code and see reviews, clips or determine where the movie is showing in your area.
- In this case, select your CD Recordable drive from the pull-down menu.