Pronunciation: (lôg, log), [key]
n., v., logged, log•ging.

1. a portion or length of the trunk or of a large limb of a felled tree.
2. something inert, heavy, or not sentient.
3. Naut.any of various devices for determining the speed of a ship, as a chip log or patent log.
4. any of various records, made in rough or finished form, concerning a trip made by a ship or aircraft and dealing with particulars of navigation, weather, engine performance, discipline, and other pertinent details; logbook.
5. Motion account describing or denoting each shot as it is taken, written down during production and referred to in editing the film.
6. a register of the operation of a machine.
7. Also called well log. a record kept during the drilling of a well, esp. of the geological formations penetrated.
8. Computers.any of various chronological records made concerning the use of a computer system, the changes made to data, etc.
9. Radio and Television.a written account of everything transmitted by a station or network.
10. Also called log of wood. Australian Slang.a lazy, dull-witted person; fool.

1. to cut (trees) into logs: to log pine trees for fuel.
2. to cut down the trees or timber on (land): We logged the entire area in a week.
3. to enter in a log; compile; amass; keep a record of: to log a day's events.
4. to make (a certain speed), as a ship or airplane: We are logging 18 knots.
5. to travel for (a certain distance or a certain amount of time), according to the record of a log: We logged 30 miles the first day. He has logged 10,000 hours flying time.

1. to cut down trees and get out logs from the forest for timber: to log for a living.
2. log in,
a. Also,log on,sign on. enter identifying data, as a name or password, into a multiuser system, so as to be able to do work with the system.
b. to enter or include any item of information or data in a record, account, etc.
3. log off or out, terminate a work session using a multiuser system, or a connection to such a system.


Pronunciation: (lôg, log), [key]


var. of logo- before a vowel: logarithm.


var. of -logue: analog.



Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

See also:
  • log (Thesaurus)

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