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
verblogged; logging
Definition of log (Entry 2 of 6)
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
Definition of log (Entry 3 of 6)
log
abbreviationDefinition of log (Entry 4 of 6)
logic
log-
combining formvariants:
or logo-
Definition of log- (Entry 5 of 6)
: word : thought : speech : discourse
logogram logorrhea
-log
noun combining formDefinition of -log (Entry 6 of 6)
— see -logue
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Time Traveler for log
The first known use of log was in the 14th century
See more words from the same century