log

noun (1), often attributive

\ ˈlȯg

, ˈläg \

Definition of log

(Entry 1 of 6)

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

3a : 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

verb

logged; logging

Definition of log (Entry 2 of 6)

transitive verb

1a : 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

3a : 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

intransitive verb

: lumber entry 3 sense 1

log

noun (2), often attributive

Definition of log (Entry 3 of 6)

: logarithm

log

abbreviation

Definition of log (Entry 4 of 6)

logic

log-

combining form

variants: or logo-

Definition of log- (Entry 5 of 6)

: word : thought : speech : discourse logogram logorrhea

-log

noun combining form

Definition of -log (Entry 6 of 6)

— see -logue

Synonyms Example Sentences Learn More About log

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