Definition of polymastic in English:

polymastic

adjective

Medicine Anthropology
  • Having supernumerary breasts. Also of an animal: having more than two teats as a normal state.

Origin

Late 19th century; earliest use found in Journal of Anatomy and Physiology. From polymastia + -ic.

Pronunciation

polymastic

/ˌpɒlɪˈmastɪk/