key fob

[ kee fob ]

noun

1. a programmed, battery-powered device enabling keyless access or entry, especially to a vehicle, usually carried on a key ring or keychain:

   The windows and sunroof of your car can also be opened and closed using the key fob.

2. 1. an ornament or other object attached to a key ring or keychain:

      This key fob of tooled leather can hold a small photo.

   2. a key ring or keychain with such an ornament on it:

      Has anyone turned in a key fob with a little foam golf ball and three keys on it?

Word History and Origins

Origin of key fob¹

First recorded in 1910–15