noun
fob
FAHB/fɑːb/
A small device or chain attached to keys or a pocket watch.
The electronic fob hangs beside the keys.
Etymology
Of uncertain origin, fob first named a small valuables pocket, then a pocket-watch chain or ornament. The key-ring sense keeps the later meaning of an attached accessory.
In context
i'll take a key fob for a car and put it into a device and i want to pick up the signal on the antenna
More examples
- A silver fob hung from the watch chain.
- She attached the fob to her keys.
- The electronic fob unlocked the door.
Forms
fob · fobs
Similar words
- keychain
- A keychain holds keys; a fob is an attached ornament or device, often electronic.
- remote
- A remote operates something at a distance; a key fob can serve as a compact remote.