1 [C] a bird that people often keep for its eggs and its meat 鸡
2 [U] the meat of this bird 鸡肉: chicken soup鸡汤
Notice that chicken is the general word for the bird and its meat. A male chicken is called a cock (USrooster), a female is called a hen and a young bird is called a chick. 注意，chicken常用来指鸡、鸡肉。公鸡叫做cock（在美国叫做rooster），母鸡叫做hen，小鸡叫做chick。 Don't count your chickens (before they're hatched)→COUNT¹
chicken²
/ˈtʃɪkɪn ||; ˈtʃɪkɪn/verbchicken out (of sth)(informal 非正式) to decide not to do sth because you are afraid 胆怯退缩；临阵退缩: Mark chickened out of swimming across the river when he saw how far it was.马克看到河的对岸颇远，便临阵退缩，不敢游过去了。