Main Entry: ¹log

Pronunciation: \ˈlȯg, ˈläg\

Function: 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