Anchoress
/ˈæŋkəres/
Definition 1 of 1
Pro Tip 1/3Gender Specific
An 'anchoress' refers exclusively to a woman; the male counterpart is called an 'anchorite'. 
The ancient church has rooms for both an anchoress and an anchorite.
Pro Tip 2/3Voluntary Seclusion
An anchoress voluntarily retreats from society, which differs from being forced into isolation. 
She chose the path of an anchoress, seeking peace away from the world.
Pro Tip 3/3Religious Undertone
The term often implies a spiritual or religious motive, not just any solitary life. 
People visited the anchoress to discuss matters of faith and spirituality.