orchradhach Definitions (by source) Show all Poems on the O'Reillys gloomy, sorrowful, 2684. Poems on the O'Reillys. Editor: James Carney. Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death see urchradhach Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Author: Geoffrey Keating. Editor: Osborn Bergin.