'Exordial' definitions:

Definition of 'Exordial'

From: GCIDE

Exordial \Ex*or"di*al\ ([e^]gz*[^o]r"d[i^]*al), a. Pertaining to the exordium of a discourse: introductory. [1913 Webster]
The exordial paragraph of the second epistle. --I. Taylor. [1913 Webster]