rebis

plural rebises

1. alchemyThe end product of the alchemical magnum opus, a reunion of opposing qualities such as spirit and matter or male and female, represented by an androgynous being.

   While the rebis is the final form of alchemical variability, the larger process of alchemy looked to mercury as both the agent and patient of transformative possibilities.

   2023, Micah James Goodrich, “Trans Animacies and Premodern Alchemies”, in Medieval Mobilities: Gendered Bodies, Spaces, and Movements, page 214

2. An androgyne or hermaphrodite.

   Within three days Judah discovers that the rebis who won him is on his trail.

   2004, China Miéville, Iron Council