domina

noun3

1. •
   An ancient Roman lady.

   • A precious article is the paint with which the Roman domina was beautified; it was well worthy of the case of ivory and rock-crystal in which it was preserved. — 1863
2. •
   A dominatrix.

   • A specific of the fem-dom, sub-male scene is that it is the segment with the highest presence of professional activity -- professional dominae abound. — 1994
3. •
   The head of a nunnery.

   • Each of the nuns was heard in her turn, while the others waited with the domina in the adjoining vestry. — 1796