Log

n.	1.	A Hebrew measure of liquids, containing 2.37 gills.
	1.	A bulky piece of wood which has not been shaped by hewing or sawing.
	2.	(Naut.) An apparatus for measuring the rate of a ship's motion through the water.
	3.	The record of the rate of speed of a ship or airplane, and of the course of its progress for the duration of a voyage; also, the full nautical record of a ship's cruise or voyage; a log slate; a log book.
	4.	A record and tabulated statement of the person(s) operating, operations performed, resources consumed, and the work done by any machine, device, or system.
	5.	(Mining) A weight or block near the free end of a hoisting rope to prevent it from being drawn through the sheave.
	6.	(computers) A record of activities performed within a program, or changes in a database or file on a computer, and typically kept as a file in the computer. Log board (Naut.) a board consisting of two parts shutting together like a book, with columns in which are entered the direction of the wind, course of the ship, etc., during each hour of the day and night. These entries are transferred to the log book. A folding slate is now used instead. Log book a - (Naut.) a book in which is entered the daily progress of a ship at sea, as indicated by the log, with notes on the weather and incidents of the voyage; the contents of the log board. b - a book in which a log{4} is recorded. Log cabin a cabin or house made of logs. Log canoe a canoe made by shaping and hollowing out a single log; a dugout canoe. Log glass (Naut.) a small sandglass used to time the running out of the log line. Log line (Naut.) a line or cord about a hundred and fifty fathoms long, fastened to the log-chip. See Note under 2d Log, n., 2. Log perch (Zool.) an ethiostomoid fish, or darter (Percina caprodes); - called also hogfish and rockfish. Log reel (Naut.) the reel on which the log line is wound. Log slate (Naut.) See Log board (above). Rough log (Naut.) a first draught of a record of the cruise or voyage. Smooth log (Naut.) a clean copy of the rough log. In the case of naval vessels this copy is forwarded to the proper officer of the government. To heave the log (Naut.) to cast the log-chip into the water; also, the whole process of ascertaining a vessel's speed by the log.
v. t.	1.	(Naut.) To enter in a ship's log book; as, to log the miles run. [imp. & p. p. Logged ; p. pr. & vb. n. Logging .]
	2.	To record any event in a logbook, especially an event relating to the operation of a machine or device.
v. i.	1.	To engage in the business of cutting or transporting logs for timber; to get out logs.
	2.	To move to and fro; to rock.

Noun	1.	log - a segment of the trunk of a tree when stripped of branches
	2.	log - large log at the back of a hearth fire Synonyms: backlog
	3.	log - the exponent required to produce a given number Synonyms: logarithm
	4.	log - a written record of messages sent or received; "they kept a log of all transmission by the radio station"; "an email log"
	5.	log - a written record of events on a voyage (of a ship or plane)
	6.	log - measuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water
Verb	1.	log - enter into a log, as on ships and planes
	2.	log - cut lumber, as in woods and forests Synonyms: lumber

Domesday Book, Mach meter, accelerometer, account book, accounts payable ledger, accounts receivable ledger, address book, adversaria, anemometer, annals, annual, appointment calendar, appointment schedule, backlog, balance, balance sheet, balance the books, bank ledger, bankbook, bavin, beam, billet, blankbook, blotter, boarding, book, books, boom, brush, brushwood, calendar, capitalize, card ledger, carry, carry over, carve, cashbook, cast loose, cast up accounts, catalog, chalk, chalk up, charge off, check in, check sheet, chronicle, chronology, clap on ratlines, clapboard, classified catalog, clear hawse, clock card, close out, close the books, commonplace book, cord, cordwood, cost card, cost ledger, cost sheet, court calendar, credit, cut, cut loose, date slip, datebook, daybook, deal, debit, desk calendar, diary, diptych, docket, driftwood, engagement book, engrave, enroll, enscroll, enter, factory ledger, fagot, file, fill out, firewood, grave, ground log, hardwood, harpoon log, haul, haul down, heave, heave apeak, heave round, heave short, impanel, incise, index, inscribe, insert, inventory, jot down, journalize, kedge, keep books, kindling, kindlings, lath, lathing, lathwork, lay, lay aloft, ledger, list, log line, logbook, loose-leaf notebook, make a memorandum, make a note, make an entry, make out, mark down, matriculate, memo book, memorandum book, memory book, minute, note, note down, notebook, pad, panelboard, paneling, panelwork, passbook, patent log, petty cashbook, place upon record, plank, planking, plyboard, plywood, pocket notebook, pocketbook, pole, police blotter, poll, post, post up, puncheon, purchase ledger, put down, put in writing, put on paper, put on tape, ratline down, record book, reduce to writing, registry, sales journal, sales ledger, scrapbook, scratch pad, set down, shake, sheathing, sheathing board, sheeting, shingle, sideboard, siding, slab, slat, softwood, spar down, speedometer, spiral notebook, splat, stave, stick, stick of wood, stock ledger, stores ledger, stovewood, stream the log, strike a balance, suspense ledger, table, tablet, tabulate, tachometer, taffrail log, take down, tape, tape-record, three-by-four, timber, timbering, timberwork, time book, time chart, time scale, time schedule, time sheet, time study, timecard, timetable, traverse a yard, triptych, two-by-four, unlash, videotape, warp, weatherboard, wind gauge, workbook, write, write down, write in, write out, write up, writing tablet, yearbook, yule clog, yule log

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