Webster’s Revised Unabridged Dictionary · 1913
Conistra
Co·nis′tra, n. [NL., fr. Gr. κονίστρα, fr. κόνις dust.] (Greek Antiq.) Originally, a part of the palestra, or gymnasium among the Greeks; either the place where sand was stored for use in sprinkling the wrestlers, or the wrestling ground itself. Hence, a part of the orchestra of the Greek theater.