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prolusory

[proh-loo-suh-ree, -zuh-]
adjective
  1. serving for prolusion.
  2. of the nature of a prolusion.
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Origin of prolusory

1865–70; < Medieval Latin prōlūsōrius, equivalent to prōlūd-, stem of prōlūdere (see prolusion) + -tōrius -tory1, with dt > s
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018