(1):
(n.) A memorandum; a record.
(2):
(n.) Memory; remembrance.
(3):
(n.) A written representation of facts, addressed to the government, or to some branch of it, or to a society, etc., - often accompanied with a petition.
(4):
(n.) A species of informal state paper, much used in negotiation.
(5):
(n.) Anything intended to preserve the memory of a person or event; something which serves to keep something else in remembrance; a monument.
(6):
(a.) Mnemonic; assisting the memory.
(7):
(a.) Serving to preserve remembrance; commemorative; as, a memorial building.