1. A segment of the trunk of a tree when stripped of branches
   "The lumberjack cut the tree into manageable logs"
    
2. A written record of messages sent or received
   "they kept a log of all transmission by the radio station"; "an email log"
    
3. A written record of events on a voyage (of a ship or plane)
   "The captain carefully maintained the ship's log throughout the journey"
    
4. The exponent required to produce a given number
   "Students learned to use log tables to simplify complex calculations";
   - logarithm
    
5. 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
   "The captain used the log to estimate their arrival time"

1. Enter into a log, as on ships and planes
   "The captain logged the ship's coordinates every hour"; "The pilot logged the flight details after landing"
    
2. Cut lumber, as in woods and forests
   "They logged the forest for valuable hardwoods";
   - lumber

Derived forms: logs, logged, logging

See also: clock up [Brit]

Type of: cut down, drop, enter, exponent, fell, index, measuring device, measuring instrument, measuring system, power, put down, record, strike down, wood, written account, written record

Part of: ship

Encyclopedia: Log, Sevnica