Farmers Slang & Its Analogues. 18901909, rev. 2022.
Taster
subs. (colloquial).A small quantity; a taste: in quot. a small glass of ice-cream.
1
1901. Daily Telegraph, 21 May, 10. The irate signor producednot a halfpenny TASTER for the policeman, but a tattered copy of a work called Law without Lawyers.