log

1. (n) The trunk of a dead tree, cleared of branches. 2. (n) Any bulky piece as cut from the above, used as timber, fuel etc. 3. (n) A unit of length equivalent to 16 feet, used for measuring timber, especially the trunk of a tree. 4. (n) Anything shaped like a log; a cylinder. 5. (n) (nautical) A floating device, usually of wood, used in navigation to estimate the speed of a vessel through water. 6. (n) (figuratively) A blockhead; a very stupid person. 7. (n) (surfing slang) A heavy longboard. 8. (n) (figuratively) A rolled cake with filling. 9. (n) (mining) A weight or block near the free end of a hoisting rope to prevent it from being drawn through the sheave. 10. (n) (vulgar) A piece of feces. 11. (n) (vulgar) A penis. 12. (v) (transitive) To cut trees into logs. 13. (v) (transitive) To cut down (trees). 14. (v) (intransitive) To cut down trees in an area, harvesting and transporting the logs as wood. 15. (n) A logbook, or journal of a vessel's (or aircraft's) progress. 16. (n) A chronological record of actions, performances, computer/network usage, etc. 17. (n) (computer science) Specifically, an append-only sequential record of events written to a file, display, or other data stream. 18. (v) (transitive) To make, to add an entry (or more) in a log or logbook. 19. (v) (transitive) To travel (a distance) as shown in a logbook. 20. (v) (transitive) To travel at a specified speed, as ascertained by a chip log. 21. (v) (transitive) (video games) To log out; to disconnect from an online video game. 22. (n) Synonym of logarithm. 23. (n) (sciences) A difference of one in the logarithm, usually in base 10; an order of magnitude. 24. (v) (obsolete) To move to and fro; to rock. 25. (n) (historical units of measure) A Hebrew unit of liquid volume (about ¹⁄₃ liter). 26. (n) (music) Lamb of God, an American groove metal band.