a dialectal or quasi-dialectal variant of traunce, TRANCE v.2; also trans. in causal sense. Hence Trouncing ppl. a.

1

1566.  Drant, Horace, Sat., VI. D vj. In cytie, I must set vppon my golde bespangled mule, In deeper way, a trounsinge steede, whome vneth ought can rule.

2

1824.  Scott, Redgauntlet, ch. xi. They behoved to trounce us away to be tried at Carlisle.

3

1824.  Mactaggart, Gallovid. Encycl., 166. The Prince of Darkness trounces through the world in the form of a black dog.

4

1887.  Charity Organis. Rev., Nov., 416. The young woman refused to pay, and trounced off to a … hospital.

5