Source : Webster's Revised Unabridged Dictionary (1913)

Levitical \Le*vit"ic*al\ (l[-e]*v[i^]t"[i^]*kal), a. [L.
   Leviticus, Gr. Leyitiko`s.]
   1. Of or pertaining to a Levite or the Levites.

   2. Priestly. `` Levitical questions.'' --Milton.

   3. Of or pertaining to, or designating, the law contained in
      the book of Leviticus. --Ayliffe.

   {Levitical degrees}, degrees of relationship named in
      Leviticus, within which marriage is forbidden.

Source : WordNet®

Levitical
     adj : of or relating to the book of Leviticus in the Bible