Male

A boy is a young, male person.

A bull is a male cow. The meat from a cow is called beef. Bulls do not give milk.

Most male birds are called cocks. Sometimes the word is in the common name of the bird, such as the peacock. Male birds tend to have much brighter coloured feathers than female birds, or hens.

Your father is your male parent. Your father is usually the man who is married to (or lives with) your mother, but sometimes people's fathers do not live with their mothers.

Your grandfather is the father of your mother or father. Some other names for Grandfather are Grandpa, Gramps, Opa or Pop.