Webster’s Revised Unabridged Dictionary · 1913
Roching cask
Roch′ing cask′ (rok′ĭng kȧsk′ or rosh′·). [Probably from F. roche a rock.] A tank in which alum is crystallized from a solution.
Webster’s Revised Unabridged Dictionary · 1913
Roch′ing cask′ (rok′ĭng kȧsk′ or rosh′·). [Probably from F. roche a rock.] A tank in which alum is crystallized from a solution.