Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Black's Law Dictionary: 2nd Edition

    An estate in land or other real property, of uncertain duration; that is, either of inheritance or which may possibly last for the life of the tenant at the least, (as distinguished from a leasehold;) and held by a free tenure, (as distinguished from copyhold or villeinage.)