His (pronoun)

1. Belonging to or associated with a male person or animal previously mentioned or assumed.
2. Used to refer to a male antecedent and to express possession, attraction, or characteristics.
3. Used as the objective form of he when referring to a male antecedent and indicating possession, attraction, or characteristics.
4. Used to refer to something previously mentioned as belonging to or associated with a male antecedent.

Origin:

Old english his, genitive of he 'he'. the development of the sense "belonging to him" is influenced by the use of possessive adjectives with personal pronouns.

Examples:

1. His book is on the shelf.
2. His father is a doctor.
3. He's looking for his keys.
4. She's falling for his charms.
5. The shirt is too small for his frame.