E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Turf (The).
The racecourse; the profession of horse-racing, which is done on turf or grass. One who lives by the turf, or whose means of living is derived from running horses or betting on races.
1
All men are equal on the turf and under it.Lord George Bentinck.