#1 log n. a segment of the trunk of a tree when stripped of branches. wn
#2 log v. enter into a log, as on ships and planes. wn
#3 log v. [lumber] cut lumber, as in woods and forests. wn
#4 log n. [logarithm] the exponent required to produce a given number. wn
#5 log n. a written record of messages sent or received; "they kept a log of all transmission by the radio station"; "an email log". wn
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