Learn how to say Signet correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word signet:
a small seal, especially one set in a ring, used instead of or with a signature to give authentication to an official document.
(usually the Signet) the royal seal formerly used for special purposes in England and Scotland, and in Scotland later as the seal of the Court of Session.
late Middle English: from Old French, or from medieval Latin signetum, diminutive of signum ‘token, seal’