GREGORIAN a.
urch modes, as arranged and prescribed by Pope Gregory I. (called "the Great") in the 6th century. -- Gregorian modes, the musical scales ordained by Pope Gregory the Great, and named after the ancient Greek scales, as Dorian, Lydian, etc. -- Gregorian telescope (Opt.), a form of reflecting telescope, named from Prof…
HESSIAN a.
n boots, or Hessians, boot of a kind worn in England, in the early part of the nineteenth century, tasseled in front. Thackeray. -- Hessian cloth, or Hessians, a coarse hempen cloth for sacking. -- Hessian crucible. See under Crucible. -- Hessian fly (Zoöl.), a small dipterous fly or midge (Cecidomyia destructor). I…