fad-dáil Definitions (by source) Show all Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death f., delay, 5405; gen. –dála, 5509 Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Author: Geoffrey Keating. Editor: Osborn Bergin.