ケサディーヤalso: けさでぃーじゃ · けさでぃらMeanings1nounquesadillafood / cookingA Mexican dish of a tortilla filled with cheese and other ingredients, then folded and grilled.from Spanishメキシコ料りょう理り店てんでケサディーヤを注ちゅう文もんした。I ordered a quesadilla at the Mexican restaurant.