noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A device that records the distance and time traveled by a vehicle (especially a truck or coach), used to check the drivers' working time.
2. 2
   a tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle wordnet

Synonyms

All synonyms

tachotachotattlertattler

Etymology

From tacho- + -graph.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.