What is a synonym for cauldron?

Here are some synonyms for cauldron, depending on the context:

General:

* Pot

* Kettle

* Boiler

* Vat

* Crock

* Vessel

More evocative:

* Churn

* Furnace

* Crucible

* Hearth

Figurative:

* Maelstrom (for a churning, chaotic situation)

* Abyss (for a deep, dark, and mysterious place)

The best synonym will depend on the specific situation and the tone you want to convey.