I.down1[美 daʊn, 英 daʊn]副down often appears as the second element of certain verb structures in English (back down, clamp down, tone down, etc). For translations, see the relevant verb entry (back, clamp, tone, etc).
Using a pull-down menu at the top of the page to select a country is becoming the most common option for presenting local content options of a global site.
The 16-bit versions introduced a new mouse-controlled interface where commands are selected from pull-down menus, but could also be controlled with the keyboard.