Definition of protothere in English:

protothere

noun

Zoology
  • Prototherian.

Origin

Late 19th century; earliest use found in William K. Parker (1823–1890), comparative anatomist and zoologist. From proto- + -there, after Prototheria.

Pronunciation

protothere

/ˈprəʊtə(ʊ)θɪə/