log

[ lawg, log ]

/ lɔg, lɒg /

See synonyms for: log / logged / logging on Thesaurus.com

noun

a portion or length of the trunk or of a large limb of a felled tree.

something inert, heavy, or not sentient.

Nautical. any of various devices for determining the speed of a ship, as a chip log or patent log.

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.

Movies. an account describing or denoting each shot as it is taken, written down during production and referred to in editing the film.

a register of the operation of a machine.

Also called well log. a record kept during the drilling of a well, especially of the geological formations penetrated.

Computers. any of various chronological records made concerning the use of a computer system, the changes made to data, etc.

Radio and Television. a written account of everything transmitted by a station or network.

Also called log of wood. Australian Slang. a lazy, dull-witted person; fool.

verb (used with object), logged, log·ging.

to cut (trees) into logs: to log pine trees for fuel.

to cut down the trees or timber on (land): We logged the entire area in a week.

to enter in a log; compile; amass; keep a record of: to log a day's events.

to make (a certain speed), as a ship or airplane: We are logging 18 knots.

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.

verb (used without object), logged, log·ging.

to cut down trees and get out logs from the forest for timber: to log for a living.

Verb Phrases

Also log on, sign on. Computers. to enter identifying data, as a username or password, into a database, mobile device, or computer, especially a multiuser computer or a remote or networked system, so as to to access and use it: Log in to start your work session. Log in to your account to pay your bill online.
to enter or include any item of information or data in a record, account, etc.

log off / out Computers. to terminate a session.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.

Question 1 of 13

How do you say “cat” 🐈 in Spanish?

gato/gata

cato/cata

gatto/gatta

TAKE THE QUIZ TO FIND OUT

Origin of log

1350–1400; Middle English logge, variant of lugge pole, limb of tree; compare obsolete logget pole; see lugsail, logbook

OTHER WORDS FROM log

loggish, adjectiveun·logged, adjective

Definition for log (2 of 5)

log²

[ lawg, log ]

/ lɔg, lɒg /

noun

Mathematics. logarithm.

Definition for log (3 of 5)

log-

variant of logo- before a vowel: logarithm.

Definition for log (4 of 5)

-log

variant of -logue: analog.

Definition for log (5 of 5)

log.

logic.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for log (1 of 3)

log¹

/ (lɒɡ) /

noun

a section of the trunk or a main branch of a tree, when stripped of branches
(modifier) constructed out of logsa log cabin

a detailed record of a voyage of a ship or aircraft
a record of the hours flown by pilots and aircrews
a book in which these records are made; logbook

a written record of information about transmissions kept by radio stations, amateur radio operators, etc

a device consisting of a float with an attached line, formerly used to measure the speed of a shipSee also chip log
heave the log to determine a ship's speed with such a device

Australian a claim for better pay and conditions presented by a trade union to an employer

like a log without stirring or being disturbed (in the phrase sleep like a log)

verb logs, logging or logged

(tr) to fell the trees of (a forest, area, etc) for timber

(tr) to saw logs from (trees)

(intr) to work at the felling of timber

(tr) to enter (a distance, event, etc) in a logbook or log

(tr) to record the punishment received by (a sailor) in a logbook

(tr) to travel (a specified distance or time) or move at (a specified speed)

Word Origin for log

C14: origin obscure

British Dictionary definitions for log (2 of 3)

log²

/ (lɒɡ) /

noun

short for logarithm

British Dictionary definitions for log (3 of 3)

-log

combining form

a US variant of -logue

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for log

log

[ lôg ]

A logarithm.

Idioms and Phrases with log

log

In addition to the idiom beginning with log

also see:

easy as pie (rolling off a log)
like a bump on a log
sleep like a log

MEANINGS

WORD GAMES

LEARN

WRITING

WORD OF THE DAY

log

noun

verb (used with object), logged, log·ging.