Periodic payments, usually monthly, payable to participants under some retirement plans, if such participants are eligible for the benefits and become totally and permanently disabled prior to the normal retirement date.

US: A form of health insurance that provides periodic payments to replace income when an insured person is unable to work as a result of illness, injury, or disease.
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Health and Personal Accident Insurance that provides periodic payments if the insured becomes disables as a result of illness or accident.
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MEDICAL,USA: Type of insurance that provides monthly payments to replace income when the insured is unable to work as a result of illness, injury, or disease—not as a result of a work-related accident or condition. Sometimes called loss of time insurance, nonoccupational insurance , or disability insurance .