Main entry: log
Definition: 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
Main entry: log
Definition: a written record of events on a voyage (of a ship or plane)
Main entry: log
Definition: a written record of messages sent or received
Usage: they kept a log of all transmission by the radio station; an email log
Definition: the exponent required to produce a given number
Main entry: log
Definition: a segment of the trunk of a tree when stripped of branches
Main entry: log
Definition: enter into a log, as on ships and planes
Definition: cut lumber, as in woods and forests