(Μέγιλλος), a Lacedaemonian, was one of the three commissioners for ratifying the short and hollow truce with Tissaphernes on behalf of Agesilaus, who had just crossed over to Asia, B. C. 396. (Xen. Hell. 3.4.6.) The more common readings in Xenophon are Megialius and Megialus. One of the interlocutors in the " Laws" of Plato is Megillus, a Lacedaemonian.
[E.E]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890