define age
Age is defined as a span of years during which some event occurred. The number of years that ice covered most of the world is an example of an ice age. The definition of age is the number of years something has been alive or in existence. An example of age is being 16 years old. Age means to experience the passage of time or show signs of growing older. 1  To allow wine to ferment and develop its flavor over a certain number of years is an example of the process used to age wine.  An example of age is a person who grows from 15 years old to 60 years old.