[key-suh-dee-uh; Sp. ke-sah-th
ee-yah] 
[-dee-uhz; Sp. -thee-yahs] . Mexican Cookery. | a tortilla folded over a filling of shredded cheese, onions, and chilies and broiled or fried. |
| que·sa·dil·la (kā'sə-dē'yə) n. A flour tortilla folded in half around a savory filling, as of cheese or beans, then fried or toasted. [American Spanish, from Spanish, diminutive of quesada, type of cheesecake, from queso, cheese, from Old Spanish, from Latin cāseus.] |