A book in which memoranda are written; a note-book.(noun)
The Century Dictionary (Public Domain)
Use "memorandum-book" in a sentence
"“There is among the ruins of the western end of the Abbey church,” said he, looking up to me, yet keeping the memorandum-book half open, and occasionally glancing at it, as if to refresh his memory,"
"Vendale stopped, and referred to a memorandum-book by his side."
"* The Lady mentions, in her memorandum-book, that she had no other way, as is apprehended, to save herself from instant dishonour, but by making this concession."