Source : Webster's Revised Unabridged Dictionary (1913)

Sacerdotal \Sac`er*do"tal\, a. [L. sacerdotalis, fr. sacerdos,
   -otis, a priest, fr. sacer holy, sacred: cf. F. sacerdotal.]
   Of or pertaining to priests, or to the order of priests;
   relating to the priesthood; priesty; as, sacerdotal dignity;
   sacerdotal functions.

         The ascendency of the sacerdotal order was long the
         ascendency which naturally and properly belongs to
         intellectual superiority.                --Macaulay.

Source : WordNet®

sacerdotal
     adj 1: of or relating to a belief in sacerdotalism; "sacerdotal
            emphasis on the authority of priests"
     2: associated with the priesthood or priests; "priestly (or
        sacerdotal) vestments"; "hieratic gestures" [syn: {priestly},
         {hieratic}, {hieratical}]