tach
/tak
/noun North American informal
Short for tachometer.Pulling into the upper third of the tach, one is treated to a deep-toned snarl that's both burly and refined....
- The flight was 25 miles in total and my ground speed was 60 mph with the bar in and about 6,000 revs on the tach.
- Without any drama at all, the car just moves with the tach registering the same 900 rpm.
