noun, feminine
- key (to open doors)
- key (of musical instrument)
- key (in heraldry)
- spanner, wrench
- faucet, tap, water tap, spigot
- curly bracket ({ and })
- switch (a device to turn electric current on and off or direct its flow)
- lock
- hold (position or grip used to control the opponent)
- uncountable a game where a small metal disc is thrown at a small metal structure