1. An official or authoritative command; an order or injunction; a commission; a judicial precept. This dream all-powerful Juno; i bear Her mighty mandates, and her words you hear. (Dryden)
2. 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.
3. A contract by which one employs another to manage any business for him. By the roman law, it must have been gratuitous.
Origin: L. Mandatum, fr. Mandare to commit to one's charge, order, orig, to put into one's hand; manus hand _ dare to give: cf. F. Mandat. See manual, date a time, and cf. Commend, Maundy Thursday.