These lunulae are found in profusion all over Ireland.
"The Glories of Ireland" by Edited by Joseph Dunn and P.J. Lennox
Lunula: a small lunule or crescent.
"Explanation of Terms Used in Entomology" by John. B. Smith
The earliest of the Irish gold ornaments are the flat gold collars known as lunulae.
"The Bronze Age in Ireland" by George Coffey
We call them lunulae.
"L'Aiglon" by Edmond Rostand
The successful (among others) attempt was driven by the remark that one needed to lower the y–coordinate at 2 e2a (i.e. to eliminate a “lunula” between quadrature by 1 the vicarious hypothesis orbit and the observed orbit).
Quasi periodic motions from Hipparchus to Kolmogorov