1. A structure consisting of an area that has been enclosed for some purpose
   "The zoo built a new enclosure for the elephants"
    
2. The act of enclosing something inside something else
   "The enclosure of the letter in an envelope was the final step before mailing";
   - enclosing, envelopment, inclosure
    
3. A naturally enclosed space
   "The valley formed a natural enclosure protected by mountains";
   - natural enclosure
    
4. Something (usually a supporting document) that is enclosed in an envelope with a covering letter
   "The job application included several enclosures, such as a resume and references";
   - inclosure

Derived forms: enclosures

Type of: area, doc [informal], document, insertion, introduction, intromission, papers, space, written document

Encyclopedia: Enclosure