Definition of prelusion in US English:

prelusion

noun

  • A prelude, an introduction; a precursor.

Origin

Late 16th century; earliest use found in John King (d. 1621), bishop of London. From classical Latin praelūsiōn-, praelūsiō preface, prelude from praelūs-, past participial stem of praelūdere + -iō.

Pronunciation

prelusion

/prɪˈl(j)uːʒn/