Key used with other keys

• On a PC, it does nothing by itself
• Key often pressed with Alt and Del
• Abbr. in a PC menu
• PC combination key
• Lower-left keyboard key
• Key in a computer "three-finger salute"
• Certain combo key
• PC key used in combinations
• Key in some shortcuts

Wiktionary Word definitions in Wiktionary
abbr. (context slang English) (alternate form of lang=en ctrl.) (abbreviation of lang=en control)