signet
/ˈsɪɡnɪt/
noun
- A small seal, often set in a ring, used to stamp documents as a mark of authenticity or ownership.
- The king pressed his signet into the hot wax to seal the royal decree.
- The historian examined the signet on the ancient letter to verify its origin.
- She inherited a gold signet from her grandfather, engraved with the family crest.