Relyeno also spelled Relleno refers to one of the traditional dishes from the Philippines. It is a stuffed or filled food. Examples of Relyeno dishes are Relyenong Talong which is grilled eggplant stuffed with ground meat. Relyenong Bangus is made up of milkfish which is deboned and filled by its own meat.
Please see related article and pictures of Relyenong Bangus in my Blog - www.glorious-food-glossary.blogspot.com which is entitled "Filipino Food - Relyenong Bangus"