The following words and phrases when used in this subchapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Dependent." An indigent individual requiring public care, including maintenance, medical care, clothing and incidentals, due to physical or mental health needs or disability.
"Institution." A hospital, health care clinic or comparable facility.
"Institution district." A county institution district managed by the county commissioners.
"Public charge." An individual who is unable to maintain the individual and who requires and receives aid from the Commonwealth or from any political subdivision.
16 Pa.C.S. § 15760