century egg noun1 •A Chinese delicacy made by preserving a duck, chicken or quail egg in a mixture of clay, ash, salt, quicklime and rice hulls for several weeks to several months.Almonds, parched watermelon seeds—esteemed as a great delicacy—spareribs covered with a mixture of molasses sugar, fried fish, chicken livers and century eggs were put on the table at once. — 1912 formscentury eggs