Definitions

1. noun

A person or group participating in a clinical trial or experiment, especially one that provides a control or comparison group.

“The proband was randomly assigned to either the treatment or placebo group.”

2. noun

In anthropology, a person who is the focus of a genealogical or anthropological study, often used to explore inheritance or familial relationships.

“The researcher chose a proband from a large database of family trees to conduct further analysis.”