<p><strong>Noun</strong></p><ul><li>a portion or length of the trunk or of a large limb of a felled tree.</li><li>something resembling a log, as in shape or weight.</li><li>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.</li><li>Nautical. any of various devices for determining the speed of a ship, such as a chip log or patent log.</li><li>Movies. an account describing or denoting each shot as it is taken, written down during production and referred to in editing the film.</li><li>a record of a machine's operation, maintenance, etc.</li><li>a record kept during the drilling of a well, especially of the geological formations penetrated.</li><li>Computers. any of various chronological records made concerning the use of a computer system, the changes made to data, etc.</li><li>Radio and Television. a written account of everything transmitted by a station or network.</li><li>Australian Slang. a lazy, dull-witted person; fool.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to cut (trees) into logs.</li><li>to enter in a logbook or record; keep a record of.</li><li>to make (a certain speed), as a ship or airplane.</li><li>to travel for (a certain distance or a certain amount of time), according to a record kept of one or more trips.</li><li>to amass (a certain amount of time, number of events, or the like) working in a particular field or engaging in a particular type of activity.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to cut down trees and remove them from the forest for timber.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>Digital Technology. to enter identifying data, such 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 access and use it.</li><li>to enter or include any item of information or data in a record, account, etc.</li></ul>