1.
household Shinto altar, kami shelf
A small shelf or miniature shrine installed high on a wall in Japanese homes and businesses to enshrine Shinto talismans (御札). Used for daily prayers and offerings to the kami.
Usage
A compound of 神 (god, kami) and 棚 (shelf). Traditionally placed high on a wall in the living room or a prominent room. The Buddhist equivalent is 仏壇 (Buddhist altar). Some households have both.
Offerings typically include 米 (rice), 水 (water), 塩 (salt), and 榊 (sakaki branches).