%memorandum%

n.; pl. E. Memorandums, L. Memoranda [ L., something to be remembered, neut. of memorandus, fut. pass. p. of memorare. See Memorable. ] [ 1913 Webster ]

1. A record of something which it is desired to remember; a note to help the memory. [ 1913 Webster ]

I . . . entered a memorandum in my pocketbook. Guardian. [ 1913 Webster ]

I wish you would, as opportunity offers, make memorandums of the regulations of the academies. Sir J. Reynolds. [ 1913 Webster ]

2. (Law) A brief or informal note in writing of some transaction, or an outline of an intended instrument; an instrument drawn up in a brief and compendious form. [ 1913 Webster ]

Memorandum check, a check given as an acknowledgment of indebtedness, but with the understanding that it will not be presented at bank unless the maker fails to take it up on the day the debt becomes due. It usually has Mem. written on its face. [ 1913 Webster ]