As used in this subdivision, unless the context otherwise indicates:
"Institution district" means a county institution district managed by the commissioners of the county.
"Dependent" means an indigent person requiring public care, including maintenance, medical care, clothing and incidentals, because of physical or mental health needs or disability.
"Institution" means hospital, health care clinic or comparable facility.
"Public charge" means a person who is unable to maintain himself and who requires and receives aid from the Commonwealth or from any political subdivision thereof.
16 P.S. § 2160