Noun eld has 2 senses
  1. 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"
    --1 is a kind of time of life
    --1 has parts:
     sixties, mid-sixties; seventies, mid-seventies; eighties, mid-eighties; nineties, mid-nineties
    --1 has particulars: dotage, second childhood, senility
  2. 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"
    --2 is a kind of time of life
    --2 is a part of life, lifetime, lifespan
    --2 has particulars:
     age of consent; majority, legal age; minority, nonage; drinking age; voting age
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