Definition of Supplemental Security Income in English:
Supplemental Security Income
noun
US
A federal scheme providing financial support for people with a disability or aged over 65, subject to means testing; the money paid out under this scheme; abbreviated SSI.
Origin
1970s; earliest use found in The New York Times.
Definition of Supplemental Security Income in US English:
Supplemental Security Income
noun
US
A federal scheme providing financial support for people with a disability or aged over 65, subject to means testing; the money paid out under this scheme; abbreviated SSI.