a. [ Gr. &unr_; to throw upon, add to; 'epi` upon + &unr_; to throw. ] (Biol.) Growing or covering over; -- said of a kind of invagination. See under Invagination. [ 1913 Webster ]
{ } a. [ Cf. F. épisodique. See Episode. ] Of or pertaining to an episode; adventitious. -- Ep`i*so"dic*al*ly, adv. [1913 Webster]
Such a figure as Jacob Brattle, purely episodical though it be, is an excellent English portrait. H. James. [1913 Webster]