1.Definition: a segment of the trunk of a tree when stripped of branches

Category: General

2.Definition: a written record of events on a voyage (of a ship or plane)

Category: General

3.Definition: a written record of messages sent or received

"They kept a log of all transmission by the radio station", "An email log"

Category: General

4.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

Category: Objects

5.Definition: the exponent required to produce a given number

Related Noun(s):logarithm

Category: General