keybutton — noun Date: circa 1920 key 5c … New Collegiate Dictionary
Keybutton — Клавиша … Краткий толковый словарь по полиграфии
keybutton — ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun : any of the small buttons or knobs depressed by the fingers in operating a keyboard machine … Useful english dictionary
