keychain

American  

[kee-cheyn] / ˈkiˌtʃeɪn /

Or key chain

noun

1. a key ring with an attached ornament or other object, a short chain, or a leather or plastic loop, etc..

   This great little light fits on my keychain and runs 150 hours on an ordinary watch battery.

2. a chain for carrying keys, often worn hanging from a belt.

   We always knew when the school janitor was near, because he carried this massive keychain on his belt that jangled with every step.

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Etymology

Origin of keychain

First recorded in 1650–60

Example Sentences

With high-tech metal verification devices back-ordered online, Moorer relies on coin shops equipped with testing tools and carries a small magnet on his keychain to perform basic authenticity checks himself.

From The Wall Street Journal

And I couldn’t resist buying a KPop Demon Hunters keychain for a friend’s daughter.

From Barron's

The coin had a tiny metal loop attached to the top, like some sort of good-luck charm you’d hang on a keychain.

From Literature

My stomach still drops when “home” pops up on the car navigation system set to an address that no longer exists for us, and yet our old house key dangles steadfastly from my keychain.

From Los Angeles Times

There are several iterations of Labubu - from vinyl figures to plush toys - but the keychain versions have become most popular recently.

From BBC