The Collaborative International Dictionary of English v.0.48:

Pule \Pule\, v. i. [imp. & p. p. Puled; p. pr. & vb. n.
   Puling.] [F. piauler; cf. L. pipilare, pipire, to peep,
   pip, chirp, and E. peep to chirp.]
   1. To cry like a chicken. --Bacon.
      [1913 Webster]

   2. To whimper; to whine, as a complaining child.
      [1913 Webster]

            It becometh not such a gallant to whine and pule.
                                                  --Barrow.
      [1913 Webster]

WordNet (r) 3.0 (2006):

pule
    v 1: cry weakly or softly; "she wailed with pain" [syn: wail,
         whimper, mewl, pule]