term:

Social Security

social security n

1 : the principle or practice or a program of public provision (as through social insurance or assistance) for the economic security and social welfare of the individual and his or her family
;esp
often cap both Ss
: a U.S. government program established in 1935 to include old-age and survivors insurance, contributions to state unemployment insurance, and old-age assistance
2 : money paid out through a social security program [collects social security] see also Social Security Act in the Important Laws section social security administration in the Important Agencies section

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.