What does "disability" mean?

Disability: Want of legal qualification to do a thing; legal incapacity or incompetency. The disabilities of idiocy, infancy, and coverture. Abbott. -- Disability, Inability. Inability is an inherent want of power to perform the thing in question; disability arises from some deprivation or loss of the needed competency. One who becomes deranged is under a disability of holding his estate; and one who is made a judge, of deciding in his own case. A man may decline an office on account of his inability to discharge its duties; he may refuse to accept a trust or employment on account of some disability prevents him from entering into such engagements.