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air log

American

noun

Aeronautics. a device for recording the distance traveled by an aircraft, relative to the air through which it moves.
Rocketry. a device for regulating the range of a guided missile.

Etymology

Origin of air log

First recorded in 1925–30

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.