trinal

adj

1. (archaic, not-comparable)Having three parts; triple.

   “Like as it had bene many an Angels voice, // Singing before th’ eternall maiesty, // In their trinall triplicities on hye.”

   “The trinal division of body, mind and soul becomes a unity, a holy trinity. And with it the realization that one aspect of our nature cannot be exalted above another...”