log1 / lôg; läg/ • n. 1. a part of the trunk or a large branch of a tree that has fallen or been cut off. 2. (also log·book) an official record of events during the voyage of a ship or aircraft: a ship's log. ∎ a regular or systematic record of incidents or observations: keep a detailed log of your activities. 3. an apparatus for determining the speed of a ship, originally consisting of a float attached to a knotted line wound on a reel, the distance run out in a certain time being used as an estimate of the vessel's speed. • v. (logged , log·ging ) [tr.] 1. enter (an incident or fact) in the log of a ship or aircraft or in another systematic record: the incident has to be logged the red book where we log our calls. ∎ (of a ship or aircraft) achieve (a certain distance or speed): she had logged more than 12,000 miles since she had been launched. ∎ (of an aircraft pilot) attain (a certain amount of flying time). 2. cut down (an area of forest) in order to exploit the timber commercially. PHRASES: (as) easy as falling off a log inf. very easy.PHRASAL VERBS: log in (or on) go through the procedures to begin use of a computer system, which includes establishing the identity of the user. log off (or out) go through the procedures to conclude use of a computer system. log2 • n. short for logarithm: [as adj.] log tables | log x.
King Log in Aesop's fable, the antithesis of King Stork in his rule over the frogs. According to the story, the frogs asked for a king, and were first of all given a log by Jupiter. Demanding a more active king, they were given a stork, who ate many of them. The two kings are referred to allusively as types of inertia and excessive activity.
log cabin a hut built of whole or split logs; in North America taken (as typical of a settler's cabin) as symbolizing the humblest origins from which a person might rise to eminence.
log line the knotted line to which a ship's log (see above) was attached.
See also logrolling.
Sturgis et al. (1901–2)