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Word of the Day Wednesday, June 10, 2026

tacho

/tætʃoʊ/ noun · British & US
Valid in UK
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What does tacho mean?

noun

A tacho is a device that measures the speed of a vehicle, typically by counting the revolutions of the wheels or engine. It is often used to monitor and display the vehicle's speed.

Example

"The driver checked the tacho to ensure he was within the speed limit."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for tacho

Rhymes with tacho

Etymologically related