age >> /eɪdʒ/
Definition: [noun] The length of time that a person has lived or a thing has existed.
Example: he died from a heart attack at the age of 51
Definition: [noun] A distinct period of history.
Example: an age of technological growth
Definition: [intransitive verb] Grow old or older, especially visibly and obviously so.
Example: the tiredness we feel as we age