Simple Definition of logbook

from our Learner's Dictionary

logbook

noun

ˈlɑːgˌbʊk How to pronounce logbook (audio)
plural logbooks
: a written record of activity, events, or travel : log
a pilot's logbook

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“Logbook.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/logbook. Accessed 16 Apr. 2026.

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