seinm
Definitions (by source)
(149), seanmghuth 182.
The Book of O'Hara: Leabhar Í Eadhra. Editor: Lambert McKenna S.J.
m., act of playing (music), 5719
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.