grogram UK /ˈɡɹɒɡɹəm/US /ˈɡɹɑɡɹəm/ noun2 •A strong, rough fabric made up of a mixture of silk, and mohair or wool.Tell him, if he will, / He shall ha' the grogran's, at the rate I told him, / And I will meet him, on the Exchange, anon. — 1598 •A garment made from this fabric. formsgrograms