a type of flour made from specially treated maize, that can be mixed with water to form masa (= a dough used for making tortillas, tamales, and other Latin American foods)

Traditionally tortillas are made with a special kind of corn flour called masa harina. 传统上，玉米粉圆饼是用一种叫做“玛莎粉”的特殊玉米粉制作的。

You can use masa flour as a thickener in chilli . 你可以用玛莎粉作为辣椒的增稠剂。