Wiktionary
trip meter
n. (context automotive English) A part of an odometer capable of recording the distance traveled during a short trip by allowing its readout to be reset to zero.
Usage examples of "trip meter".
Not bad for a run of, he checked the trip meter, of twenty-six and three-tenths miles.
I glanced at the trip meter and saw that we were about twenty-three kilometers from Goddard City.
She had zeroed her trip meter on Main Street but when the revolving figures reached 55 she could not see a right turn.
Ukiah measured three miles via the trip meter and pulled off into a rough parking space.