a member of a Roman Catholic teaching congregation founded in Rome in 1597.

Origin of Piarist

1835–45; < New Latin piār(um), in phrase (patrēs scholārum) piārum (fathers) of religious (schools) + -ist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of piarist