The Collaborative International Dictionary of English v.0.48:

Reordain \Re`or*dain"\ (r?`?r-d?n"), v. t. [Pref. re- re- +
   ordain: cf. F. r['e]ordonner.]
   To ordain again, as when the first ordination is considered
   defective. --Bp. Burnet.
   [1913 Webster]