What is "mangammal"

Rani Mangammal (1689—1704) was a queen regent on behalf of her grandson, in the Madurai Nayak kingdom in present-day Madurai, India, towards the end of the century. She was a popular administrator and is still widely remembered as a maker of roads and avenues, and a builder of temples, tanks and choultries with many of her public works still in use. She is also known for her diplomatic and political skills and successful military campaigns. The capital of Madurai Kingdom during her times was Tiruchy.