oubliette

He was not in the oubliette for long.

A Morris oubliette means restraint into perfect immobility.

Let the novel open like an oubliette under your feet.

I let myself have a brief fantasy of Prince Dain’s coronation, of me dancing with a grinning Locke while Cardan is dragged away and thrown in a dark oubliette.

Of our prejudices against the Puritans, she writes: “Stigma is a vast oubliette.”