'heavy welterweight' definitions:

Definition of 'heavy welterweight'

From: GCIDE

Welterweight \Wel"ter*weight`\, n.
1. (Horse Racing) A weight of 28 pounds (one of 40 pounds is called a heavy welterweight) sometimes imposed in addition to weight for age, chiefly in steeplechases and hurdle races. [Webster 1913 Suppl.]
2. A boxer or wrestler whose weight is intermediate between that of a lightweight and that of a middleweight. [Webster 1913 Suppl.]