ETYM Old Eng. capon, chapoun, AS. capűn (cf. French chapon), Latin capo, from Greek kapon akin to koptein to cut, Old Slav. skopiti to castrate. Related to Comma.
1. Castrated male chicken.
2. Flesh of a castrated male chicken.
Castrated cock, especially fattened for table.

To castrate; to make a capon of.