Lord Privy Seal (priv-ee).English law. An officer who has custody of the privy seal and who authenticates either a state document before it passes to receive the Great Seal or a document that does not require the Great Seal because of its minor importance. • The Lord Privy Seal has nominal official duties but is often made a member of the British cabinet. — Also termed Keeper of the Privy Seal; Lord Keeper of the Privy Seal; Privy Seal.
[Blacks Law 8th]