Definition of multimammate in US English:

multimammate

adjective

Zoology
  • Having several pairs of mammae; specifically designating rodents of the genus Mastomys (formerly included in Rattus or Praomys; family Muridae), found throughout most of Africa and having eight to ten pairs of teats, especially M. natalensis.

Origin

Early 20th century; earliest use found in Annals and Magazine of Natural History.