(historical)a small seal, especially one set in a ring, used instead of or with a signature to give authentication to an official document (史)戒指图章 ■(一般作 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 (英格兰和苏格兰的)玉玺;(苏格兰最高民事法庭的)官印
语源
late Middle English: from Old French, or from medieval Latin signetum, diminutive of signum 'token, seal'