Corpus of Electronic Texts Edition
Táin Bó Cúalnge from the Book of Leinster (Author: [unknown])

section 35

Here follows Airecur n-Arad.

Then the charioteers of the Ulstermen came to them, three fifties in number. They gave battle three times to the host and three times their own number fell by them, and the charioteers fell on the level spot on which they stood.

That is Airecor nArad.