(1):
(n.) A contract by which one employs another to manage any business for him. By the Roman law, it must have been gratuitous.
(2):
(n.) An official or authoritative command; an order or injunction; a commission; a judicial precept.
(3):
(n.) A rescript of the pope, commanding an ordinary collator to put the person therein named in possession of the first vacant benefice in his collation.