|  | 
Definition of Tach
1. Noun. Measuring instrument for indicating speed of rotation. 
Exact synonyms: Tachometer
Generic synonyms: Measuring Device, Measuring Instrument, Measuring System
Specialized synonyms: Tachograph
Generic synonyms: Measuring Device, Measuring Instrument, Measuring System
Specialized synonyms: Tachograph
Definition of Tach
1. a device for indicating speed of rotation [n -S]



