Source : Webster's Revised Unabridged Dictionary (1913)

Sylleptic \Syl*lep"tic\, Sylleptical \Syl*lep"tic*al\, a. [Gr. ?
   collective.]
   Of or pertaining to a syllepsis; containing syllepsis. --
   {Syl*lep"tic*al*ly}, adv.