Source : Webster's Revised Unabridged Dictionary (1913)

Ichor \I"chor\, n. [NL., fr. Gr. ?: cf. F. ichor.]
   1. (Class. Myth.) An ethereal fluid that supplied the place
      of blood in the veins of the gods.

   2. A thin, acrid, watery discharge from an ulcer, wound, etc.

Source : WordNet®

ichor
     n 1: (Greek mythology) the rarified fluid said to flow in the
          veins of the Gods
     2: a fluid product of inflammation [syn: {pus}, {purulence}, {suppuration},
         {sanies}, {festering}]