The phrase "ground chicken" refers to chicken meat that has been chopped or minced into small pieces, usually using a grinder or food processor. Full definition
And I've gone with ground chicken in lieu of ground beef or pork to keep things on the healthier side (and besides I don't eat red meat or pork). (theharvestkitchen.com)
My only plea is that you don't use ground chicken breast. (ahintofhoney.com)