sgiúrsadh Definitions (by source) Show all Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death m., act of scourging, 2264, 4172 Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Author: Geoffrey Keating. Editor: Osborn Bergin.