Buttress

Webster's Condensed Dictionary- A Condensed Dictionary of the English Language · 1909 · p. 83

buftre , n. (Arch.) A projecting support — to the exterior of a wall a prop. v. To support by a buttre to prop. — But'teris, -tSr-is, n. (Far.) An instrument to pare horses' hoofs. [F. bouter, to push, butt. See Butt.] Butyraceous, etc. See under Butter.