tostada noun3 •[in the plural] A flat tortilla that has been fried or toasted, or a dish based on this, usually associated with the cuisine of Latin America.A platter of chicken and octopus tostadas and two ceviches arrived at the table[…]. — 2008 •A bowl-shaped tortilla that has been fried and filled with various ingredients. •A Latin American toast (toasted bread).The Marina and Vicentino restaurants are good places for a coffee and tostada (toasted sandwich) for breakfast. — 1995 formstostadas