anvil
/ˈænvɪl/Definitions
1. noun
A heavy metal block or plate, typically of stone or metal, used for shaping or forming metal by hammering.
“The blacksmith placed the glowing metal on the anvil to shape it into a horseshoe.”
2. noun
A person or thing that is a target or source of great pressure, strain, or hardship.
“The student felt like an anvil under the weight of her heavy course load.”