The term 'Human Male' can be represented by the three letter word 'MAN'. A MAN is an adult male human, typically of age 18 or older. He is a member of the species Homo sapiens, and is distinguished from other animals by his ability to think and reason. MAN is also characterized by his physical strength and ability to work. He is often seen as the head of the family and is expected to provide for and protect his family.