keychain

Word parts

key + chain

Pronunciation

• IPA ^(key): /ˈkiːˌt͡ʃeɪn/

• Audio (US)

  (file)

Noun

Singular keychain

Plural keychains

A keychain with a leather key fob.

1. (countable) A keychain is a chain or ring to which a key can be attached to.
2. (countable) A keychain is an ornamental piece holding such a chain or ring.
3. (countable) (cryptography) A keychain is a digital repository for the storage of cryptographic keys.