The term 'hen' is used to refer to a female CHICKEN, and there are several related words that can be used to describe her. A CHICKEN is a seven-letter word for a domesticated FOWL, which is a four-letter word for a bird of the order Galliformes. A PULLET is a six-letter word for a young female CHICKEN, while a LAYER is a five-letter word for an adult female CHICKEN that lays eggs. BIDDY is also a five-letter word for a hen, and a frier is a five-letter word for a person who cooks chickens.