sacrificial

Adjective

• used in or connected with a sacrifice
  • "sacrificial lamb"

Adj

• Relating to sacrifice
• Used as a sacrifice.

Examples

• The ceremony involves the ritual slaying of a sacrificial lamb.
• The old sacrificial well is still there, but animals aren't thrown into it to appease monsters anymore.
• The sacrificial coating protects the hull, but because it takes the damage the hull doesn't, we must replace it annually.