Definition of primogenitrix in English:

primogenitrix

noun

rare
  • A female primogenitor.

Origin

Late 19th century; earliest use found in Mortimer Collins (1827–1876), novelist and journalist. From primogenitor see -trix.

Pronunciation

primogenitrix

/ˌprʌɪmə(ʊ)ˈdʒɛnɪtrɪks/