Meaning of LOG in English


I. ˈlȯg also ˈläg noun

( -s )

Usage: often attributive

Etymology: Middle English logge, probably of Scandinavian origin; akin to Norwegian låg fallen tree, Old Norse lāg; akin to Old Norse liggja to lie — more at lie


a. : a usually bulky piece or length of unshaped timber ; especially : a tree trunk or a length of a trunk or branch trimmed and ready for sawing and usually over six feet long — compare billet , bolt

b. : a stick of wood cut for fuel (as in a fireplace) usually two to three feet in length with all or part of the bark on it

a birch log

c. : a heavy piece of wood or sometimes other material attached to the leg (as of a prisoner or an animal) so as to restrain movement

d. logs plural , slang Australia : a jail especially when of rude construction

2. : one of several devices (as the common one consisting of a log chip and log line) designed to gauge the speed of a ship


[short for logbook ]

a. : a daily record of a ship's speed or progress or the full record of a ship's voyage including notes on the ship's position at various times and including notes on the weather and on important incidents occurring during the voyage

b. : any of various other journals or records in which are noted sequential data on the speed or progress or performance of something:

(1) : a record of a flight by an airplane or of the operating history of an airplane or of a piece of its equipment or of the flying time of a pilot or other aircrew member

(2) : a record of the performance of an engine or boiler or similar piece of equipment

(3) : a record of the progress made in drilling an oil well including notes on formations penetrated and on the casing used and including other pertinent data

(4) : a record of camera shots taken especially in motion pictures

(5) : a minute-by-minute record of what is broadcast by a radio station

II. verb

( logged ; logged ; logging ; logs )

transitive verb



(1) : to cut down for use as logs

logged most of the trees in the area

(2) : to cut up into logs : saw into logs

logging the timber into 7-foot lengths

b. : to cut down the trees of (a region) and remove the felled trees from for use as logs

had logged off most of that part of the country

2. : to make a note or record of (the speed, progress, performance, or other sequential details of something) especially in a journal or other record of data : enter details of or about in a log

logged the ship's speed at 10 knots


a. : to move (an indicated distance) or attain (an indicated speed) as noted in a log

the ship logged 100 miles that day

the plane logs 600 miles an hour


(1) : to sail a ship or fly an airplane for (an indicated distance or an indicated period of time)

asked how many hours he had logged

(2) : to have or arrive at a record of (an indicated distance or an indicated period of time) in sailing a ship or flying an airplane : have (an indicated record) to one's credit

intransitive verb

: to fell trees and cut them up into logs and transport the logs to sawmills or a place of sale

III. ˈläg verb

( logged ; logged ; logging ; logs )

Etymology: origin unknown

dialect England : oscillate , rock

IV. ˈlȯg also ˈläg abbreviation or noun

( -s )


V. abbreviation

1. logic

2. logistic

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.