Seal
noun
A seal model is the best kind of seal, but it's still just a seal.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
印鑑を忘れて手続きができなかった。
I couldn't complete the procedure because I forgot my seal.
銀行口座を作るのに印鑑が必要なんだって。
Apparently, you need a seal to open a bank account.
公的な印鑑が押された書類が必要になります。
You need an officially sealed document.
日本では印鑑がないと、結婚も離婚もできないってマジ？
In Japan, you can't get married or divorced without a seal? Seriously?