disability-n; 2 Senses

Sense Number 1: physical or mental impairment

Commentary: DISABILITY[+state][+physiological][+impairment]
NOTE: refers to the impairment itself

The restaurant has accommodations for people with disabilities.
John's daughter has a learning disability.
We hardly noticed the man's speech disability.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: a social or legal state of restriction or disadvantage

Commentary: DISABILITY[+state][+social][+disadvantage][+restriction]
NOTE: refers to a social/legal state of restriction or disadvantage

His company provides good disability insurance.
After his accident he quit his job and went on disability.
He overcame the disabilities of growing up in the slums.

WordNet 0.0 Sense Numbers: 3