Soleplate \Sole"plate`\, n. (Mach.) (a) A bedplate; as, the soleplate of a steam engine. (b) The plate forming the back of a waterwheel bucket. [1913 Webster] Soler
Bedpiece \Bed"piece`\, Bedplate \Bed"plate`\, n. (Mach.) The foundation framing or piece, by which the other parts are supported and held in place; the bed; -- called also {baseplate} and {soleplate}. [1913 Webster]