Meaning of “age” - Learner’s Dictionary

age

noun us uk /eɪdʒ/
Extra Examples
He died at the age of 83 after a long illness.John started to go bald at an early age.She was orphaned at the age of six.The product is aimed at young people in the 18-25 age range.She has remarkably good skin for her age.
HOW OLD [ C, U ]

A1 the number of years that someone has lived, or that something has existed:

The show appeals to people of all ages.
She left India at the age of 12.
Children under 10 years of age must be accompanied by an adult.
She's about your age (= the same age as you).
HISTORY [ C ]

B1 a period of history:

the Ice Age
We're living in the age of electronic communication.
OLD [ U ]

the quality of being old:

Some wines improve with age.
under age

too young to do something legally

→ See also the Middle Ages , old age

(Definition of “age noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)