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")
age, eld -- (a time of life (usually defined in years) at which some particular qualification or power arises; "she was now of school age"; "tall for his eld")