Private hill office
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
An office of the English parliament where the business of obtaining private acts of parliament is conducted. 6. A solemn and formal legislative declaration of popular rights and liberties, promulgated on certain extraordinary occasions, as the famous Bili of Rights in English history.
Defined under Bill in Black's Law Dictionary.