Legal:
* Surrogate parent: A person who legally assumes the role of a parent for a child, typically in cases of adoption or foster care.
* Surrogate decision-maker: A person appointed to make decisions for someone who is unable to do so for themselves, such as due to illness or incapacitation.
* Surrogate motherhood: A woman who carries and gives birth to a child for another couple, who are unable to conceive or carry a pregnancy themselves.
Other:
* Surrogate key: In database management, a key that substitutes for the primary key, typically for performance or security reasons.
* Surrogate marker: In medicine, a test or measurement that indirectly indicates the presence or severity of a disease or condition.
* Surrogate product: A product that is used as a temporary replacement for another, often due to a shortage or supply chain issue.
In general, a surrogate is something that acts as a substitute for something else, often temporarily. The meaning can vary depending on the context, so it's important to consider the surrounding information when interpreting the word.