Cendum Share definition Flag The meal in between lunch and dinner. Derived from the Latin terms of 'cena' for dinner and 'prandium' for lunch. "My mom's making cendum if you want to come over" said Johnny. "We're having chicken stir fry." Cendum by jackjackattackattack January 5, 2013 0 0 Get merch Get the Cendum mug. Buy Now — $32.95 See more merch