What is a founder?

A founder is someone who creates, or originates the idea or concept for some entity; or is the individual upon whose name, or original work, an organization, state or other entity is built. For example, Cecil Calvert, Lord Baltimore is generally considered the "founder" of the State of Maryland, which was named after Maria, the consort of the British king at the time.

Verb (Boats and Ships)
A watercraft is said to founder when it takes on water and sinks. This is often applied metaphorically to other situations such as failing businesses or relationships.

Horse Illness
Founder is a generalized term that relates to the horse becoming lame in the hoof. Most of the time it is referring to a condition properly called laminitis. This is where the laminae of the hoof separates.