Definition of quinquagene in US English:

quinquagene

noun

rare
  • A set of fifty psalms. Formerly also: a commentary on a set of fifty psalms.

Origin

Mid 16th century. From post-classical Latin quinquagena set of fifty psalms, title of each of the three sections of a work by St Augustine on the psalms from classical Latin quīnquāgēnī fifty each from quīnquāgintā fifty + -ēnī, suffix forming distributive adjectives.

Pronunciation

quinquagene

/ˈkwɪŋkwədʒiːn/