keychain

or key chain

[ kee-cheyn ]

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.

Word History and Origins

Origin of keychain¹

First recorded in 1650–60

Example Sentences

Coffee beans are available in jewelry, keychain, soap, body spray and, of course, edible and brewable form.

From The Daily Beast

Does she actually have a gold cocaine-holder keychain, or was that an added flourish?

From The Daily Beast

All this roboparenting reminds me of that Japanese digital keychain pet called Tamagotchi.

From The Daily Beast

I set the laptop down beside me on the rock and swung the hammer, Jolu following the swing with his keychain light.

From Project Gutenberg

I had a lot of typing to do tonight, putting all those keys into my keychain, signing them and publishing the signed keys.

From Project Gutenberg

I'd already entered her public key into my keychain, so I told the IM client to try decrypting the code with the key.

From Project Gutenberg

It was perfectly dark by the sea, and treacherous, even with our keychain lights.

From Project Gutenberg

It looked like a keychain laser-pointer, or maybe a novelty light-saber.

From Project Gutenberg