Found 2 items, similar to Tachograph.
English → English (WordNet) Definition: tachograph tachograph n : a tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle
English → English (gcide) Definition: Tachograph Tachograph \Tach"o*graph\, n. [Gr. ta`chos speed + -graph.] A recording or registering tachometer; also, its autographic record. [Webster 1913 Suppl.]