drop-down menu

Translations
выпадающее меню
Select your country from the drop-down menu.
Выберите свою страну из выпадающего меню.
Definitions
A drop-down menu is a graphical user interface element that allows users to choose one option from a list of options that appears when the user clicks on or hovers over a designated area. The menu 'drops down' to reveal the choices, which can include text, images, or other interactive elements.
Words
drop

adjective
выпадающий
down

adverb
вниз
menu

noun
меню