The term 'de gallo' is a Spanish phrase meaning 'of the rooster'. It is often used to refer to a type of Mexican cuisine that includes ingredients such as tomatoes, onions, chilies, and cilantro. The crossword solution for this term is 'PICO', which is a type of salsa made from these same ingredients. Pico de gallo is a popular condiment in Mexican cuisine, and is often served with tacos, burritos, and other dishes.