Harness cask

Har´ness cask`

1.(Naut.) A tub lashed to a vessel's deck and containing salted provisions for daily use; - called also harness tub.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
Here you are in your house, and me still picking my salt meat out of the harness cask.'