singin Definitions (by source) Show all Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death m. and f., sign, 705-7, 3213-14-15 Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Author: Geoffrey Keating. Editor: Osborn Bergin.