Lewis & Short

căchinnābĭlis, e, adj. [cachinno] (Appuleian).

  1. I. Capable of laughing, laughing: homo animal cachinnabile, App. Dogm. Plat. 3, p. 33, 20.
  2. II. Of or pertaining to immoderate laughter: risus, App. M. 3, p. 132, 20.