Chicken is the flesh of this bird eaten as food.
鸡肉 • ...roast chicken with wild mushrooms. …烤鸡肉和野蘑菇。
Chicken is also an adjective.
胆小的 • Why are you so chicken, Gregory? 你为什么这么胆小,格雷戈里?
If someone calls you a chicken, they mean that you are afraid to do something.
胆小鬼 • I'm scared of the dark. I'm a big chicken. 我很怕黑。我是个十足的胆小鬼。