What is "nosebags"

Usage examples of "nosebags".

Once the horses were at their last nosebags of oats, the men broke out what was left of their rations.

A battery which turned out its horses to graze found that the puzzled creatures simply galloped about the plain, and could only be reassembled by blowing the call which they associated with feeding, when they rushed back and waited in lines for their nosebags to be put on.