from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A book in which daily transactions are recorded.
- n. A diary.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A daily chronicle; a diary.
- n. A ledger; an accounting journal.
- n. A logbook.
from the GNU version of the Collaborative International Dictionary of English
- n. A journal of accounts; a primary record book in which are recorded the debts and credits, or accounts of the day, in their order, and from which they are transferred to the journal.
from The Century Dictionary and Cyclopedia
- n. A diary or chronicle.
- n. Nautical, a log-book.
- n. In bookkeeping, a book in which the transactions of the day are entered in the order of their occurrence; a book of original entries, or first record of sales and purchases, receipts, disbursements, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the daily written record of events (as arrests) in a police station
- n. an accounting journal as a physical object
- n. a ledger in which transactions have been recorded as they occurred
From day + book. Cognate with Dutch dagboek ("diary, journal, logbook"), German Tagebuch ("diary, journal, daybook"), Danish dagbog ("diary"), Swedish dagbok ("diary, logbook, journal, daybook"). (Wiktionary)