perpetuity: Meaning and Definition of

per•pe•tu•i•ty

1. the state or character of being perpetual (often prec. by in): to desire happiness in perpetuity.
2. endless or indefinitely long duration or existence; eternity.
3. something that is perpetual.
4. an annuity paid for life.
5. an interest under which property is less than completely alienable for longer than the law allows.