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

plain \plain\, v. t. imp.  p. p. plained; p. pr.  vb. n.
   plaining. cf. plane, v.
   1. to plane or level; to make plain or even on the surface.
      r.
      1913 webster

            we would rake europe rather, plain the east.
                                                  --wither.
      1913 webster

   2. to make plain or manifest; to explain.
      1913 webster

            what's dumb in show, i'll plain in speech. --shak.
      1913 webster
see also:
plained plaining plane 

Plained >> P Words
Plained, definition of term: Plained
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