1. A type of Mexican dish: This is the most common meaning. A chalupa is a fried corn tortilla that is shaped like a small boat, often filled with various toppings like beans, cheese, lettuce, meat, and salsa.
2. A type of boat: In Spanish, "chalupa" can also refer to a type of small, flat-bottomed boat used in coastal areas, particularly in the Caribbean and Mexico.
So, depending on the context, "chalupa" can refer to either a delicious Mexican food or a type of boat.