Final answer:
The Tenth Muse refers to the representation of women poets in literature.
Step-by-step explanation:
The Tenth Muse refers to the representation of women poets in literature. It is commonly used to describe female poets who have made significant contributions to the field of poetry. In the context of the given options, Sor Juana Ines de la Cruz, Anne Bradstreet, and Sappho are all examples of women poets who have been referred to as the Tenth Muse.