1) Big drinking bowl 2) Bowl 3) Great vessel for grog 4) Large bowl for holding drink 5) Large drink 6) Large drinking bowl Found on https://www.crosswordclues.com/clue/jorum
Jo'rum noun [ Perh. corrupted from jorden an earthen pot.] A large drinking vessel; also, its contents. [ Colloq. Eng.] Forby. Found on http://www.encyclo.co.uk/webster/J/12