Hes·sian a. Of or relating to Hesse, in Germany, or to the Hessians.
Hessian 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 Zool., a small dipterous fly or midge (Cecidomyia destructor). Its larvae live between the base of the lower leaves and the stalk of wheat, and are very destructive to young wheat; -- so called from the erroneous idea that it was brought into America by the Hessian troops, during the Revolution.