His' is a pronoun used to refer to a male person or animal. It is often used in conjunction with 'hers, ' which is a pronoun used to refer to a female person or animal. Together, 'his and hers' is a phrase used to refer to two separate items that are owned by two different people, typically a couple. For example, a couple may have his and hers towels, his and hers mugs, or his and hers cars.