log in WordNet English dictionary

1. 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
   log 
   
2. a written record of events on a voyage (of a ship or plane)
   log 
   
3. the exponent required to produce a given number
   logarithm  log 
   
4. a written record of messages sent or received
   "they kept a log of all transmission by the radio station"; "an email log"
   log 
   
5. a segment of the trunk of a tree when stripped of branches
   log 
   

1. enter into a log, as on ships and planes
   log 
   
2. cut lumber, as in woods and forests
   log  lumber