Signet
WordNet
noun
(1) A seal (especially one used to mark documents officially)
WiktionaryText
Noun
- an object (especially a ring) formerly used to impress a picture into the sealing wax of a document as a proof of its origin
- c.1600: William Shakespeare, Hamlet - I had my father's signet in my purse, / Which was the model of that Danish seal;
Noun
- bookmark (strip used to mark a place in a book)