Definition of prolusion in English:


Line breaks: pro|lu¦sion
Pronunciation: /prəˈl(j)uːʒ(ə)n


archaic or • formal
  • 1A preliminary action or event; a prelude.
  • 1.1A preliminary essay or article.


early 17th century: from Latin prolusio(n-), from prolus- 'practised beforehand', from the verb proludere, from pro 'before' + ludere 'to play'.

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a slit made by cutting with a saw