χολέδρα

English (LSJ)

ἡ,

   A groove, Eratosth. ap. Eutoc. in Archim.p.94 H. (pl.).    2 gutter, drain-pipe, Ph.Bel.98.9, Apollod.Poliorc.182.7, Horap.1.21; written χολέρα, Hsch.