bedplate

from The Collaborative International Dictionary of English v.0.48
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]
    

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