Lewis & Short

cădīvus, a, um, adj. [cado] (an access. form of caducus).

  1. I. Of fruit, falling of itself: mala, Plin. 15, 16, 18, § 59; 15, 17, 18, § 60.
  2. II. In medic. lang., having the falling sickness or epilepsy, epileptic, Marc. Emp. 20.