trinal

Doc′trinal, relating to or containing doctrine: relating to the act of teaching.—adv.

Nor do they bow down and worship any but the trinal God, Father, Son and Holy Ghost.

That glorious Form, that Light unsufferable, And that far-beaming blaze of Majesty Wherewith He wont at Heaven's high council-table To sit the midst of Trinal Unity, He laid aside; and, here with us to be, Forsook the courts of everlasting day, And chose with us a darksome house of mortal clay.

All the while he is in earnest, illustrating, as he himself writes in that choice book of his, ‘Theophilus Trinal’—that       ‘the powers that play in fancy,    Can a holy earnest show, As the colours of the bubble    Shine serenely in the bow.’ p. 106His theology we will describe in his own words. 

That glorious form, that light unsufferable, And that far-beaming blaze of majesty, Wherewith he wont at Heaven’s high council-table 10 To sit the midst of Trinal Unity, He laid aside, and, here with us to be, Forsook the courts of everlasting day, And chose with us a darksome house of mortal clay.