Definition from Wiktionary, the free dictionary
- The process of surgically transplanting organs or tissue between different species.
- The ability to write in a language which the individual has not learned.
- 2006 Strange Harvest: Organ Transplants, Denatured Bodies, and the Transformed Self by Lesley Alexandra Sharp (page 218) 
- but we've known about xenography for a long time. There is now a special kind of pig that is being bred for its kidneys.