Webster’s Revised Unabridged Dictionary · 1913
Stith
Stith, a. [AS. stīð.] Strong; stiff; rigid. [Obs. or Prov. Eng.]
Stith, n. [Icel. steði an anvil, akin to staðr place. See Stead.] An anvil; a stithy. [Obs. or Prov. Eng.]
He invented also pincers, hammers, iron crows, and the anvil, or stith. Holland.