Search Dictionary
Definition of logbook

logbook

/ˈlɔːɡ.bʊk/
log · book

Plural:logbooks
JUMP TO:

logbook Lexical Profile

logbook Game Scores & Validity

• noun

1

An official book or ledger in which regular records of events, measurements, or operational details are entered, especially regarding the voyage of a ship or the flight of an aircraft.

Example

"The captain carefully recorded the ship's coordinates and weather conditions in the logbook at the end of every watch."


2

British An official document issued by the government that certifies the registered ownership and technical specifications of a motor vehicle.

Example

"Before purchasing the second-hand car, she asked the dealer to show her the vehicle's logbook and service history."

Synonyms
View all synonyms for logbook

Word Origin & Etymology

Attested from the late 17th century, formed by compounding 'log' (originally a weighted piece of wood attached to a knotted line cast overboard to measure a ship's speed) and 'book'.

Cite this Entry


Wordmom. (2026). Definition of Logbook. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/logbook
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.