For purposes of sections 53a-169 to 53a-171 , inclusive:
(1) “Correctional institution” means the facilities defined in section 1-1 and any other correctional facility established by the Commissioner of Correction.
(2) “Custody” means restraint by a public servant pursuant to an arrest or court order other than a Probate Court order directed against a person who is not in the custody of the Commissioner of Correction when such order is issued.