Pronunciation: (pûr"pi-tOO'i-tē, -tyOO'-), [key]
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. Law.an interest under which property is less than completely alienable for longer than the law allows.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.