‖n. [ L. ] 1. A director; one who gives a mandate or order. Ayliffe. [ 1913 Webster ]
2. (Rom. Law) The person who employs another to perform a mandate. Bouvier. [ 1913 Webster ]
n. Same as Mandatary. [ 1913 Webster ]
a. [ L. mandatorius. ] 1. Containing a command; preceptive; directory. [ 1913 Webster ]
2. Obligatory; compulsory; required by authority. [ PJC ]
3. (Law) Not optional; not able to be modified or disregarded; as, seven mandatory clauses in the contract. [ PJC ]