Definition of signet in English:



  • A small seal, especially one set in a ring, used instead of or with a signature to give authentication to an official document.

    • ‘Since the great seal was heavy, the practice developed of employing a privy seal and later a signet.’
    • ‘I should hope to receive your rejoinder, post marked with the utmost haste, delivered upon my doorstep and stamped with your signet within the fortnight.’
    • ‘Griffin pressed his signet into the seal and handed it to the messenger with a soft smile.’
    • ‘Then he sealed it with wax and applied a signet that he kept on the top shelf of the bookcase.’
    • ‘He saw it was sealed with his father's signet, which worried him.’


Late Middle English: from Old French, or from medieval Latin signetum, diminutive of signum token, seal.