ground log
nounNautical.
a lead weight attached to a line, cast overboard in shoal water and allowed to pay out freely to show the speed of a ship and the force of the current.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use ground log in a sentence
Use the ax to split out the upper half of the ground log, between the saw-cuts and also the upper half of the log D.
Boy Scouts Handbook | Boy Scouts of AmericaThen from B down to half-way through the log D; now continue from G, cutting down to half through the ground log.
Boy Scouts Handbook | Boy Scouts of America
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