かがみ
kagami

Noun

1. mirror; looking-glass

うみ かがみのようになめらかだった。
umiwa kagamino yōni namerakadatta.
The sea was as smooth as glass.
Noun

2. barrel head

Noun

3. page added at the beginning of a document mentioning its purpose, date, author, etc.

Finance
Noun

4. mirror-shaped mochi

Abbreviation
Related to 鏡餅【かがみもち】