log

I. noun Usage: often attributive Etymology: Middle English logge Date: 14th century 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 <

a computer log

> II. verb (logged; logging) Date: 1699 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 intransitive verb lumber III,1 III. noun Usage: often attributive Etymology: by shortening Date: 1631 logarithm IV. abbreviation logic