What does "proprietary" mean?

Proprietary: A body proprietors, taken collectively.

Additional senses

  1. 2.(Eccl.) A monk who had reserved goods and effects to himself, notwithstanding his renunciation of all at the time of profession.
  2. 3.Belonging, or pertaining, to a proprietor; considered as property; owned; as, proprietary medicine. Proprietary articles, manufactured articles which some person or persons have exclusive right to make and sell. U. S. Statutes.

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