\Stith\, a. [AS. st[=i][eth].]
Strong; stiff; rigid. [Obs. or Prov. Eng.]

\Stith\, n. [Icel. ste[eth]i an anvil, akin to sta[eth]r
place. See {Stead}.]
An anvil; a stithy. [Obs. or Prov. Eng.]
      He invented also pincers, hammers, iron crows, and the
      anvil, or stith.                         --Holland.