one who founds, establishes, and erects; one who lays a foundation; an author; one from whom anything originates; one who endows.-one who founds; one who casts metals in various forms; a caster; as, a founder of cannon, bells, hardware, or types.-to become filled with water, and sink, as a ship.-to fall; to stumble and go lame, as a horse.-to fail; to miscarry.-to cause internal inflammation and soreness in the feet or limbs of (a horse), so as to disable or lame him.-a lameness in the foot of a horse, occasioned by inflammation; closh.-an inflammatory fever of the body, or acute rheumatism; as, chest founder. see chest ffounder.