Source : Webster's Revised Unabridged Dictionary (1913)

Capon \Ca"pon\, n. [OE. capon, chapoun, AS. cap?n (cf. F.
   chapon), L. capo, fr. Gr. ? akin to ? to cut, OSlav. skopiti
   to casrate. CF. {Comma}.]
   A castrated cock, esp. when fattened; a male chicken gelded
   to improve his flesh for the table. --Shak.

         The merry thought of a capon.            --W. Irving.

Capon \Ca"pon\, v. t.
   To castrate; to make a capon of.

Source : WordNet®

capon
     n 1: flesh of a castrated male chicken
     2: castrated male chicken