[1] : The Collaborative International Dictionary of English v.0.48

but \but\, n. see 1st but.
   1. a limit; a boundary.
      1913 webster

   2. the end; esp. the larger or thicker end, or the blunt, in
      distinction from the sharp, end. now disused in this
      sense, being replaced by butt2. see 1st butt.
      1913 webster +pjc

   but end, the larger or thicker end; as, the but end of a
      log; the but end of a musket. see butt, n.
      1913 webster
see also:
but butt butt but end 

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All But, definition of term: All But
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