Source : Webster's Revised Unabridged Dictionary (1913)

Stegnotic \Steg*no"tic\, a. [Gr. ?, fr. ? to cover, to make
   costive, fr. ?, ?, covered, closed.] (Med.)
   Tending to render costive, or to diminish excretions or
   discharges generally. -- n. A stegnotic medicine; an
   astringent.