Plethron
Pronunciation : Pleth"ron, Pleth"rum
Part of Speech : n.;
Etymology : [NL., fr. Gr. (Gr. Antiq.)
Definition : Defn: A long measure of 100 Greek, or 101 English, feet; also, a square measure of 10,000 Greek feet.
pl. Plethra.
Source : Webster's Unabridged Dictionary, 1913