Definition: "cobra" as in "cobra cancer", "cobra green" (a type of lettuce) or "cobra disease". These are all terms that refer to specific diseases or illnesses, not insurance plans. The term 'cobra health insurance' could mean different things depending on context. For example, it might be a term for a type of policy that provides coverage for cancer and its treatments, rather than an actual insurance plan itself. Alternatively, it could also mean something in the healthcare industry related to a type of drug or treatment, such as 'cobra drug' or 'cobra vaccine'. It's not clear what this term is specifically referring to without more context. In general, these are all terms that deal with diseases and illnesses, but they can sometimes be used interchangeably.