Section 8-603 - Definitions(a) As used in this Compact, unless the context clearly requires otherwise, the following words have the meanings indicated.(b) "Inmate" means a male or female offender who is committed to, under sentence to, or confined in a penal or correctional institution.(c) "Institution" means any penal or correctional facility, including but not limited to a facility for the mentally ill or mentally defective, in which inmates may lawfully be confined.(d) "Receiving state" means a state party to this Compact to which an inmate is sent for confinement other than a state in which conviction or court commitment was had.(e) "Sending state" means a state party to this Compact in which conviction or court commitment was had.(f) "State" means a state of the United States, the United States of America, a territory or possession of the United States, the District of Columbia, or the Commonwealth of Puerto Rico.