/ Dictionary / Index Q quesadilla: Meaning and Definition of Find definitions for: que•sa•dil•la Pronunciation: (kā"su-dē'u Sp. ke"sä-&thslashē'yä), [key] — pl. -dil•las a tortilla folded over a filling of shredded cheese, onions, and chilies and broiled or fried. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quesadilla (Thesaurus) ques. qué será, será* Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language