dortaim Definitions (by source) Show all Poems on the O'Reillys I spill, pour, shed (of blood). tréndortaidh, sheds copiously, 110. Poems on the O'Reillys. Editor: James Carney. The Book of O'Hara: Leabhar Í Eadhra 3937 n. The Book of O'Hara: Leabhar Í Eadhra. Editor: Lambert McKenna S.J.