log

noun

1. The trunk of a dead tree, cleared of branches.

   “They walked across the stream on a fallen log.”

2. Any bulky piece as cut from the above, used as timber, fuel etc.

   “Why do you look at the speck that is in your brother's eye, but do not notice the log that is in your own eye? Or how can you say to your brother, "Let me take the speck out of your eye," and behold, the log is in your own eye? You hypocrite, first take the log out of your own eye, and then you will see clearly to take the speck out of your brother's eye.”

3. A unit of length equivalent to 16 feet, used for measuring timber, especially the trunk of a tree.
4. Anything shaped like a log; a cylinder.

   “[…] it was a thing of sinuous durability, wound around the spirit like a tapeworm around a log of shit.”

   “Dip both sides in the sauce on the plate and then arrange a log of cheese filling down the middle of the tortilla.”

5. A floating device, usually of wood, used in navigation to estimate the speed of a vessel through water.

   “1659, Navigation by the Mariners Plain Scale New Plain'd, by John Collins Every Noon the Master and his Mates take the reckoning off the Log-board, and double the Knots run, and then divide the Product, which is the number of Miles run by three, the quotient is the Leagues run since the former Noon, and according to custom the Log is thrown every two hours, and I never knew the course nearer expressed on the Log-board, then to half a point of the Compass.”

6. (figuratively)A blockhead; a very stupid person.
7. (slang)A heavy longboard.

   “1999, Neal Miyake https://web.archive.org/web/20060530122555/http://www.iav.com/~sponge/sesh/new2/sesh213.htm I know he hadn’t surfed on a log much in his childhood”

8. (figuratively)A rolled cake with filling.
9. A weight or block near the free end of a hoisting rope to prevent it from being drawn through the sheave.
10. (vulgar)A piece of feces, especially a relatively long, solid one, resembling a tree log.
11. (vulgar)A penis.
12. A logbook, or journal of a vessel's (or aircraft's) progress.

    “The captain sat down to his log, and here is the beginning of the entry:...”

    “The scientific instruments of the day recorded rapid fluctuations in the Earth's magnetic field, as powerful electrical currents flowed through the upper atmosphere. Ships' logs noted observations of the northern lights as far south as the Caribbean, and telegraph systems across the world were disrupted as electrical currents were induced in the copper lines.”

13. A chronological record of actions, performances, computer/network usage, etc.
14. Specifically, an append-only sequential record of events written to a file, display, or other data stream.
15. (historical)A Hebrew unit of liquid volume (about ¹⁄₃ liter).

    “...and one log of oil...”

16. Synonym of logarithm.

    “To multiply two numbers, add their logs.”

17. A difference of one in the logarithm, usually in base 10; an order of magnitude.

    “During the first 24 hr, however, titers of the lightly piliated organisms in the kidney increased by 4 logs, whereas the heavily piliated P. mirabilis were virtually all eliminated.”

verb

1. (transitive)To cut trees into logs.
2. (transitive)To cut down (trees).

   “Since the mid-1980s, when Indonesia first began to clear its bountiful forests on an industrial scale in favour of lucrative palm-oil plantations, “haze” has become an almost annual occurrence in South-East Asia. The cheapest way to clear logged woodland is to burn it, producing an acrid cloud of foul white smoke that, carried by the wind, can cover hundreds, or even thousands, of square miles.”

3. (intransitive)To cut down trees in an area, harvesting and transporting the logs as wood.
4. (transitive)To make, to add an entry (or more) in a log or logbook.

   “to log the miles travelled by a ship”

5. (transitive)To travel (a distance) as shown in a logbook.
6. (transitive)To travel at a specified speed, as ascertained by a chip log.
7. (transitive)To log out; to disconnect from an online video game.

   “A few times a year, the yeshiva held study competitions to see who could log the most hours learning, and students would study for hours and hours without stopping for anything.”

   “You only won that game because your last opponent logged. That's no fair!”

8. (obsolete)To move to and fro; to rock.

name

1. Lamb of God, an American groove metal band.