Commentary: The measure of how long something or someone has existed. Can sometimes refer specifically to old age.
My current age is twenty-two years.
She reached school age.
We replaced the light bulb because of its age.
You're tall for your age.
His beard was white with age.
Old age hasn't slowed him down a bit.
Wine is best when it has reached a certain age.
WordNet 2.0 Sense Numbers: 1 3 4
Commentary: Some era of history. Usually described with some distinctive feature.
We live in an age of technology.
Chaucer is everybody's favorite poet from the Middle Ages.
We live in the Information Age.
WordNet 2.0 Sense Numbers: 2
Commentary: Usually used in the plural. Refers, in a general way, to a long period of time.
I haven't seen you in ages, John!
WordNet 2.0 Sense Numbers: 5
Commentary: Automatically generated NOTA sense (bbn)