The legally supported right to take necessities from a property.  A person with a life estate on a property could, for example, cut trees to use for firewood.
Related information about estovers:
- Estovers - Wikipedia, the free encyclopedia
 In English law, estovers is wood that a tenant is allowed to take, for life or a   period of years, from the land he holds for the repair of his house, the implements   of ...
 
- estovers - definition of estovers by the Free Online Dictionary ...
 (Law) Law a right allowed by law to tenants of land to cut timber, esp for fuel and   repairs. [from Anglo-French, plural of estover, n use of Old French estovoir to be ...
 
- Estovers - Legal Dictionary - The Free Dictionary
 ESTOVERS, estates. The right of taking necessary wood for the use or furniture of   a house or farm, from off another's estate. The word bote is used ...
 
- Estovers | Define Estovers at Dictionary.com
 necessaries allowed by law, as wood and timber to a tenant or alimony to a   spouse. Relevant Questions. What Is Es·to·vers? Who Were The Best People.
 
- World Wide Words: Estovers
 Apr 22, 2004 ... An ancient feudal right, 'estovers' is more than just taking wood for fuel.
 
- Estovers - Merriam-Webster Online
 2 ENTRIES FOUND: estovers · common of estovers. es·to·vers. noun plural \ə̇ˈ  stōvə(r)z, eˈ-\. Definition of ESTOVERS. : necessary supplies; esp : wood that a ...
 
- Common of estovers - Merriam-Webster Online
 the right to estovers. This word doesn't usually appear in our free dictionary, but   the definition from our premium Unabridged Dictionary is offered here on a ...
 
- Definition of estovers
 estovers definition and meaning by Oxford University Press.