log

1 of 6

noun (1)

ˈlȯg How to pronounce log (audio)
ˈläg
often attributive
1
: a usually bulky piece or length of a cut or fallen tree
especially : a length of a tree trunk ready for sawing and over six feet (1.8 meters) long
2
: an apparatus for measuring the rate of a ship's motion through the water that consists of a block fastened to a line and run out from a reel
3
a
: the record of the rate of a ship's speed or of her daily progress
also : the full nautical record of a ship's voyage
b
: the full record of a flight by an aircraft
4
: a record of performance, events, or day-to-day activities

log

2 of 6

verb

logged; logging

transitive verb

1
a
: to cut (trees) for lumber
b
: to clear (land) of trees in lumbering
often used with off
2
: to make a note or record of : enter details of or about in a log
3
a
: to move (an indicated distance) or attain (an indicated speed) as noted in a log
b(1)
: to sail a ship or fly an airplane for (an indicated distance or period of time)
(2)
: to have (an indicated record) to one's credit : achieve

log

3 of 6

noun (2)

often attributive

log

4 of 6

abbreviation

logic

log-

5 of 6

combining form

variants or logo-
: word : thought : speech : discourse
logogram
logorrhea

-log

6 of 6

noun combining form

see -logue

Examples of log in a Sentence

Verb Thousands of trees have been logged in this area. The forest has been heavily logged. The company has been logging in this area for many years. Part of his job is to log all deliveries. Truck drivers log thousands of miles every week. She has only been flying for a few months, but she has already logged more than 80 hours. a pitcher who has logged more than a hundred victories
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
In a study led by Professor Zacher from the University of Leipzig, 214 full-time employees filled out a brief log each hour of one workday. Lieke Ten Brummelhuis, Forbes, 25 Feb. 2025 His career was a travel log from Western North Carolina to the coast. Jeff Siner, Charlotte Observer, 25 Feb. 2025
Verb
The three-month period from October to December saw gains across most types of filming except reality TV, which logged its ninth consecutive quarterly decline. Katie Kilkenny, The Hollywood Reporter, 26 Feb. 2025 When the Bruins played the Leafs in the first round last spring, Coyle logged the most five-on-five minutes against Matthews of any Boston centre. Jonas Siegel, The Athletic, 25 Feb. 2025 See All Example Sentences for log

Word History

Etymology

Noun (1)

Middle English logge

Noun (2)

by shortening

Combining form

Greek, from logos — more at legend

First Known Use

Noun (1)

14th century, in the meaning defined at sense 1

Verb

1699, in the meaning defined at transitive sense 1a

Noun (2)

1631, in the meaning defined above

Time Traveler
The first known use of log was in the 14th century

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Cite this Entry

“Log.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/log. Accessed 3 Mar. 2025.

Kids Definition

log

1 of 3 noun
ˈlȯg How to pronounce log (audio)
ˈläg
1
: a large piece of a cut or fallen tree
especially : a long piece of a tree trunk trimmed and ready for sawing
2
: a device for measuring the speed of a ship
3
a
: the daily record of a ship's speed and progress
b
: the full record of a ship's voyage or of an aircraft's flight
4
: a record of performance, events, or day-to-day activities
a computer log

log

2 of 3 verb
logged; logging
1
: to cut trees for lumber or to clear land of trees in lumbering
2
: to put details of or about in a log
3
a
: to move a distance or reach a speed as noted in a log
b
: to sail a ship or fly an aircraft for an indicated distance or time
the pilot logged thousands of miles and hundreds of hours

log

3 of 3 noun

Legal Definition

log

noun

More from Merriam-Webster on log

Last Updated: - Updated example sentences
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