log

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.
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.
5. A floating device, usually of wood, used in navigation to estimate the speed of a vessel through water.
6. A blockhead; a very stupid person.
7. A heavy longboard.
8. 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. A piece of feces.
11. A penis.

1. To cut trees into logs.
2. To cut down (trees).
3. To cut down trees in an area, harvesting and transporting the logs as wood.

1. A logbook, or journal of a vessel (or aircraft)'s progress
2. A chronological record of actions, performances, computer/network usage, etc.
3. Specifically, an append-only sequence of records written to file.

1. To make, to add an entry (or more) in a log or logbook.

   to log the miles travelled by a ship

2. To travel (a distance) as shown in a logbook
3. To travel at a specified speed, as ascertained by chip log.

verb

To move to and fro; to rock.

noun

A Hebrew unit of liquid volume (about 1/3 liter).

1. Logarithm.

   To multiply two numbers, add their logs.

2. A difference of one in the logarithm, usually in base 10.