The Collaborative International Dictionary of English v.0.48:

Pine \Pine\, v. t. [imp. & p. p. Pined; p. pr. & vb. n.
   Pining.] [AS. p[imac]nan to torment, fr. p[imac]n torment.
   See 1st Pine, Pain, n. & v.]
   1. To inflict pain upon; to torment; to torture; to afflict.
      [Obs.] --Chaucer. Shak.
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            That people that pyned him to death.  --Piers
                                                  Plowman.
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            One is pined in prison, another tortured on the
            rack.                                 --Bp. Hall.
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   2. To grieve or mourn for. [R.] --Milton.
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The Collaborative International Dictionary of English v.0.48:

Pining \Pin"ing\, a.
   1. Languishing; drooping; wasting away, as with longing.
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   2. Wasting; consuming. "The pining malady of France." --Shak.
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WordNet (r) 3.0 (2006):

pining
    n 1: a feeling of deep longing