† mum ketchupn. (in quot. in form mum catchup) Obsoleterare a ketchup made with mum.
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1769 E. RaffaldExperienced Eng. House-keeper xv. 317 To make Mum Catchup. To a Quart of old Mum put four Ounces of Anchovies, of Mace, and Nutmegs sliced, one Ounce, of Cloves, and Black Pepper, half an Ounce, boil it 'till it is reduced one Third.