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

ply \ply\, v. t. imp.  p. p. plied; p. pr.  vb. n.
   plying. oe. plien, f. plier to fold, to bend, fr. l.
   plicare; akin to gr. ?, g. flechten. cf. apply, complex,
   display, duplicity, employ, exploit, implicate,
   plait, pliant, flax.
   1. to bend. obs.
      1913 webster

            as men may warm wax with handes plie. --chaucer.
      1913 webster

   2. to lay on closely, or in folds; to work upon steadily, or
      with repeated acts; to press upon; to urge importunately;
      as, to ply one with questions, with solicitations, or with
      drink.
      1913 webster

            and plies him with redoubled strokes  --dryden.
      1913 webster

            he plies the duke at morning and at night. --shak.
      1913 webster

   3. to employ diligently; to use steadily.
      1913 webster

            go ply thy needle; meddle not.        --shak.
      1913 webster

   4. to practice or perform with diligence; to work at.
      1913 webster

            their bloody task, unwearied, still they ply.
                                                  --waller.
      1913 webster
see also:
plied plying apply complex display duplicity 
employ exploit implicate plait pliant 
flax 

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