Definitions

Parent Pals has a good list of definitions related to special education services.

United Cerebral Palsy has a good definition of disabilities under it’s Housing Section.
http://www.ucp.org/ucp_channeldoc.cfm/1/13/12632/12632-12632/6184

“The questions of the definition of ‘person with a disability’ and how persons with disabilities perceive themselves are knotty and complex. It is no accident that these questions are emerging at the same time that the status of persons with disabilities in society is changing dramatically,” says Deborah Kaplan, Director of the World Institute on Disability.
http://www.accessiblesociety.org/topics/demographics-identity/dkaplanpaper.htm