
1) Domestic implement
Found on
https://www.crosswordclues.com/clue/keychain

A keychain or key chain is a small chain, usually made from metal or plastic, that connects a small item to a keyring. The length of a keychain allows an item to be used more easily than if connected directly to a keyring. Some keychains allow one or both ends the ability to rotate, keeping the keychain from becoming twisted, while the item is bei...
Found on
http://en.wikipedia.org/wiki/Keychain
[Apple] Keychain is Apple Inc.`s password management system in Mac OS. It was introduced with Mac OS 8.6, and has been included in all subsequent versions of Mac OS, including Mac OS X. A Keychain can contain various types of data: passwords (for Websites, FTP servers, SSH accounts, network shares, wireless networks, groupware applications,...
Found on
http://en.wikipedia.org/wiki/Keychain_(Apple)
[Apple] iCloud Keychain was announced at the 2013 Apple Worldwide Developers Conference (WWDC), to be released as part of iOS 7 and OS X Mavericks (version 10.9). It was not released with the initial release of iOS 7, instead being added with the release of iOS 7.0.3 and OS X Mavericks following Apple`s October 22, 2013 event. It re-introdu...
Found on
http://en.wikipedia.org/wiki/Keychain_(Apple)/iCloud_Keychain
No exact match found.