A very young male human being, from birth to a couple of years old.
A term of endearment for a man.
A man who is immature or infantile.
The youngest member of an immediate family.
A member of an immediate family who behaves as, or is treated as though they were the youngest member of a family.
An adult member of an immediate family who is treated by others in the family, especially the parents, as though they were a child.