Definition log
Etymology 1
From Middle English logge, logg, from Old Norse lóg, lág (“a felled tree; log”), from liggja (“to lie”). Cognate with Norwegian låg (“fallen tree”), Swedish dialectal låga, Swedish logg (“log”).
Alternatively, English log is perhaps a borrowing from Norwegian låg (“fallen tree”) or Swedish dialectal låga, borrowed through the Norwegian timber trade.
Noun
log (plural logs)
- The trunk of a dead tree, cleared of branches.
- Any bulky piece as cut from the above, used as timber, fuel etc.
- A unit of length equivalent to 16 feet, used for measuring timber, especially the trunk of a tree.
- Anything shaped like a log; a cylinder.
- (nautical) A floating device, usually of wood, used in navigation to estimate the speed of a vessel through water.
- (figuratively) A blockhead; a very stupid person.
- (surfing slang) A longboard.
- (figuratively) A rolled cake with filling.
- (mining) A weight or block near the free end of a hoisting rope to prevent it from being drawn through the sheave.
- (vulgar) A piece of feces.
Verb
log (third-person singular simple present logs, present participle logging, simple past and past participle logged)
- (transitive) To cut trees into logs.
- (transitive) To cut down (trees).
- (intransitive) To cut down trees in an area, harvesting and transporting the logs as wood.
Etymology 2
From logbook, itself from log (above) + book, from a wooden float (chip log, or simply log) used to measure speed.
Noun
log (plural logs)
- A logbook, or journal of a vessel (or aircraft)'s progress
- A chronological record of actions, performances, computer/network usage, etc.
- (computer science) Specifically, an append-only sequence of records written to file.
Verb
log (third-person singular simple present logs, present participle logging, simple past and past participle logged)
- (transitive) To make, to add an entry (or more) in a log or logbook.
- (transitive) To travel (a distance) as shown in a logbook
- (transitive) To travel at a specified speed, as ascertained by chip log.
Etymology 3
Verb
log (third-person singular simple present logs, present participle logging, simple past and past participle logged)
- (obsolete) To move to and fro; to rock.
Etymology 4
From Hebrew לֹג.
Noun
log (plural logs)
- (historical units of measure) A Hebrew unit of liquid volume (about ⅓ L).
Etymology 5
From logarithm.
Noun
log (plural logs)
- logarithm.