What does 証明書 mean?
証明書 is a Japanese noun meaning “a written certificate” in English. It is written as 証明書 in kanji, しょうめいしょ in hiragana, and shoumeisho in romaji. This word is part of JLPT N4 vocabulary.
Example sentence
もし予防接種証明書があったらお持ちください。
If you have a certificate of immunization, please bring it when you come.