Definition of "hereditament"

The captain […] had been greatly enamoured; that is to say, of Mr Allworthy's house and gardens, and of his lands, tenements, and hereditaments […].

1749, Henry Fielding, Tom Jones, Folio Society, published 1979, page 25

And be it further ordained and enacted by the Authority aforesaid, That […] the Domains, Lands, Reservations, Buildings, Messuages, Tenements, and Hereditaments within the said several Fiefs and Seigniories now held and possessed by them as Proprietors thereof, […] shall be and they are hereby confirmed and declared good, valid, and effectual in the Law […] .

1840 June 8, C[harles] Poulett Thomson, “An Ordinance to incorporate the Ecclesiastics of the Seminary of Saint Sulpice of Montreal”, in Copy of Ordinances Passed by the Governor and Special Council of Lower Canada, in the Third and Fourth Years of the Reign of Her Majesty Queen Victoria (Accounts and Papers. United Kingdom. Parliament. House of Commons; 1841, session 1), volume XV, published 3 February 1841, pages 151–152