ad·​ver·​sar·​ia | \ˌad-vər-ˈsa-rē-ə\

Definition of adversaria 

1 : commentaries or notes (as on a text or document)

2 : a miscellaneous collection of notes, remarks, or selections : commonplace book

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First Known Use of adversaria

1571, in the meaning defined at sense 1

History and Etymology for adversaria

Latin, journal, memorandum, from neuter plural of adversarius turned toward

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The first known use of adversaria was in 1571

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a private place of worship

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