正せい本ほんせいほんFreq.FrequencyTop 100,000Meanings1nounoriginal; authenticated copyRefers to the original document or an officially authenticated copy, often used in legal, archival, or formal contexts.契けい約やく書しょの正せい本ほんは金きん庫こに保ほ管かんされています。The original of the contract is kept in the safe.
