Feather weight Meaning, Definition & Usage

Definitions
  1. . (Racing) (a) Scrupulously exact weight, so that a feather would turn the scale, when a jockey is weighed or weighted. (b) The lightest weight that can be put on the back of a horse in racing. Youatt. (c) In wrestling, boxing, etc., a term applied to the lightest of the classes into which contestants are divided ; in contradistinction to light weight, middle weight, and heavy weight.

Webster 1913