Webster's Revised Unabridged Dictionary · 1913

Chrisom

Chrisom , noun

[See Chrism.]

1.
A white cloth, anointed with chrism, or a white mantle thrown over a child when baptized or christened. [Obsolete]
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. [Obsolete] — Blount