Daily; quotidian; diurnal.n. A diary or daily record; an account of daily transactions or events; a book or paper containing such an account or made for entering it; any record of a series of transactions.n. Specifically— In bookkeeping by double entry: A book in which every particular article or charge is distinctly entered from the day-book or blotter under each day's date, as a “debit” to a person and “credit” to a thing, or vice versa, and thus systematized or classed to facilitate posting to the ledger.n. A day-book.n. Nautical, a daily register of the ship's course and distance, the winds, the weather, and other circumstancesn. A newspaper or other periodical published daily; hence, any publication issued at successive periods containing reports or records of current events of any kind.n. In mining, a record of the strata passed through in sinking.n. A day's work or travel; a journey.n. In machinery, that part of a shaft or axle which rests in the bearings. See first cut under axle-box.pret. and pp. journaled or journalled, ppr. journaling or journalling.In machinery, to insert, as a shaft, in a journal-bearing.To enter in a journal.