noun
key rack; key hook; wall-mounted key holder
Refers to a small fixture, usually wall-mounted, with hooks or a rack for hanging keys.
玄関に鍵かけを取り付けた。
I installed a key rack in the entrance.
鍵かけに車のキーを掛けておく。
I hang the car key on the key hook.
キーホルダー is a keychain or key ring carried around, while 鍵かけ is a stationary fixture for hanging keys at home or office.
キーラック is a loanword for a key rack, often used interchangeably, but 鍵かけ is the native Japanese term.
Compound of 鍵 (key) and 掛け (hanging), from the verb 掛ける (to hang).