Source : Webster's Revised Unabridged Dictionary (1913)

Chrisom \Chris"om\, n. [See {Chrism}.]
   1. A white cloth, anointed with chrism, or a white mantle
      thrown over a child when baptized or christened. [Obs.]

   2. A child which died within a month after its baptism; -- so
      called from the chrisom cloth which was used as a shroud
      for it. [Obs.] --Blount.

Source : WordNet®

chrisom
     n : a consecrated ointment consisting of a mixture of oil and
         balsam [syn: {chrism}, {sacramental oil}, {holy oil}]