noun
- a book of or for notes.
- a book or binder of blank, often ruled, pages for recording notes, especially one used by students in class.
- a book in which promissory notes are entered, registered, recorded, etc.
- a small, lightweight laptop computer.
noun
- a book for recording notes or memoranda
- a book for registering promissory notes
n.1570s, from note + book (n.).