Tach Meaning in English
word
Definition
"Tach" is an informal, slang shortening of "tachometer," the gauge in a vehicle that shows engine speed in revolutions per minute (RPM). It's mostly used in car contexts.
Usage & Nuances
Very informal and mostly used among car enthusiasts or mechanics, especially in North America. Rare outside automotive or motorsport discussions. Usually spoken; rarely used in formal writing. Often seen in 'hit the tach', 'watch the tach', or 'redline the tach'.
Example Sentences
The tach shows the engine speed in RPM.
basic
My car's tach stopped working.
basic
Watch the tach when you change gears.
basic
I noticed the tach was hitting redline on the highway.
natural
If your tach is bouncing around, you might have an engine problem.
natural
He loves watching the tach when he drives fast cars.
natural