nathair
Definitions (by source)
serpent; gu. nathrach 1833; ái. naithreacha neimhe 537.
An Teagasg Críosdaidhe. Editor: Fearghal Mac Raghnaill, O.F.M.
f., serpent, 2122; especially n. neimhe, 1013; gen. nathrach, 8973; pl. naithreacha, 3072; gen. nathrach, 581; dat. nathrachaibh, 8974
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.