from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An official pass or permit, especially one for crossing national boundaries.
- n. A book of postage stamps.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A customs document that allows the temporary duty-free importation of a particular article
- n. A collection of travel tickets in the form of a booklet that is sold at a discount
French, notebook, carnet, from Old French quernet, pocket notebook, from quaer, quire; see quire1.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French carnet ("notebook"), from Middle French quernet ("group of four sheets") (Wiktionary)