The Collaborative International Dictionary of English v.0.48:

Poulard \Pou*lard"\ (p[=oo]*l[aum]rd"), n. [F. poularde pullet,
   fr. poule hen. See Pullet.] (Zool.)
   A pullet from which the ovaries have been removed to produce
   fattening; hence, a fat pullet.
   [Webster 1913 Suppl.]