01 n. A seal; especially, in England, the seal used by the sovereign in sealing private letters and grants that pass by bill under the sign manua…
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1.
A seal; especially, in England, the seal used by the sovereign in sealing private letters and grants that pass by bill under the sign manual; -- called also privy signet. Also: privy signet“I had my father's signet in my purse.” — Shak.
Phrases & compounds
Signet ring —
a ring containing a signet or private seal.
Writer to the signet —
a judicial officer who prepares warrants, writs, etc.; originally, a clerk in the office of the secretary of state.