[1] : The Collaborative International Dictionary of English v.0.48

obstetric \obstet"ric\ o^bste^t"ri^k, obstetrical
\obstet"rical\ o^bste^t"ri^kal, a. l. obstetricius,
   fr. obstetrix, -icis, a midwife, fr. obstare to stand before:
   cf. f. obst'etrique. see obstacle.
   1. of or pertaining to childbirth, midwifery, or the period
      around the time of the birth of children; as, the
      obstetric art.
      1913 webster

   2. of or pertaining to obstetrics; as, the obstetric unit of
      a hospital.
      pjc

   obstetrical toad zool., a european toad of the genus
      alytes, especially alytes obstetricans. the eggs are
      laid in a string which the male winds around his legs, and
      carries about until the young are hatched.
      1913 webster
see also:
obstacle obstetrical toad alytes alytes obstetricans 

[2] : WordNet (r) 2.0

obstetrical
     adj : of or relating to or used in or practicing obstetrics;
           "obstetric hospital" syn: obstetric
see also:
obstetric 

Obstetrical >> O Words
Obstetrical, definition of term: Obstetrical
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