an instrument for counting the number of revolutions of a gasoline engine.
Origin of speed indicator
First recorded in 1855–60
Also called speed counter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for speed indicator
Historical Examples of speed indicator
You've seen our ray, of course, but have you looked at your speed-indicator?The Passing of Ku Sui