diúdán Definitions (by source) Show all Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death m., giddiness, 7948, 8109, 9598 Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Author: Geoffrey Keating. Editor: Osborn Bergin.