Prytanis \Pryt"a*nis\, n.; pl. {Prytanes}. [L., fr. Gr. ?.] (Gr.
Antiq.)
A member of one of the ten sections into which the Athenian
senate of five hundred was divided, and to each of which
belonged the presidency of the senate for about one tenth of
the year.
[1913 Webster]