enclosure

noun7

1. •
   An area, domain, or amount of something partially or entirely enclosed by barriers.

   • He faced punishment for creating the fenced enclosure in a public park.
   • The glass enclosure holds the mercury vapor.
2. •
   The area of a convent, monastery, etc where access is restricted to community members.
3. •
   Something that is enclosed, i.e. inserted into a letter or similar package.

   • There was an enclosure with the letter — a photo.
4. •
   The act of separating and surrounding an area, domain, or amount of something with a barrier.

   • The enclosure of public land is against the law.
   • The experiment requires the enclosure of mercury vapor in a glass tube.
5. •
   The act of restricting access to ideas, works of art or technologies using patents or intellectual property laws.
6. •
   The post-feudal process of subdivision of common lands for individual ownership.

   • Strip-farming disappeared after enclosure.
7. •
   The act of enclosing, i.e. the insertion or inclusion of an item in a letter or package.

   • The enclosure of a photo with your letter is appreciated.