To separate the joints of; to separate, as parts united by joints; to put out of joint; to force out of its socket; to dislocate; as, to disjoint limbs; to disjoint bones; to disjoint a fowl in carving
(of types): Informally, two types are disjoint if there can be no object that is an instance of both types A formal definition is given in "Type Disjointness" on page 51