The noun age has 5 senses (first 5 from tagged texts)
1. (369) age -- (how long something has existed; "it was replaced because of its age")
2. (172) historic period, age -- (an era of history having some distinctive feature; "we live in a litigious age")
3. (82) age, eld -- (a time in life (usually defined in years) at which some particular qualification or power arises; "she was now of school age"; "tall for his eld")
4. (38) old age, years, age, eld, geezerhood -- (a late time of life; "old age is not for sissies"; "he's showing his years"; "age hasn't slowed him down at all"; "a beard white with eld"; "on the brink of geezerhood")
5. (4) long time, age, years -- (a prolonged period of time; "we've known each other for ages"; "I haven't been there for years and years")
Overview of verb age
The verb age has 3 senses (first 2 from tagged texts)
1. (1) age -- (begin to seem older; get older; "The death of his wife caused him to age fast")
2. (1) senesce, age, get on, mature, maturate -- (grow old or older; "She aged gracefully"; "we age every day--what a depressing thought!"; "Young men senesce")
3. age -- (make older; "The death of his child aged him tremendously")