Source : Webster's Revised Unabridged Dictionary (1913)

Obstetric \Ob*stet"ric\, Obstetrical \Ob*stet"ric*al\, a. [L.
   obstetricius, fr. obstetrix, -icis, a midwife, fr. obstare to
   stand before: cf.F. obst['e]trique. See {Obstacle}.]
   Of or pertaining to midwifery, or the delivery of women in
   childbed; as, the obstetric art.

   {Obstetrical toad} (Zo["o]l.), a European toad of the genus
      {Alytes}, especially {A. obstetricans}. The eggs are laid
      in a string which the male winds around his legs, and
      carries about until the young are hatched.