Source : Webster's Revised Unabridged Dictionary (1913)

Ceroma \Ce*ro"ma\, n. [L., fr. Gr. ? ointment for wrestlers, the
   place for wrestling, fr. khroy^n to wax over, fr. khro`s
   wax.]
   1. The unguent (a composition of oil and wax) with which
      wrestlers were anointed among the ancient Romans.

   2. (Anc. Arch.) That part of the baths and gymnasia in which
      bathers and wrestlers anointed themselves.

   3. (Zo["o]l.) The cere of birds.