Definition of "sustentation"

sustentation

noun
countable and uncountable, plural sustentations
1. The act or the result of sustaining; sustainment.
  Quotations
  Thus, under a plausible and specious humility, circumscribing the bounds of human reason, neglecting its powers, and leaving it wholly devoid of that sustentation which would lead to its expansion and culture.
  1838, [Letitia Elizabeth] Landon (indicated as editor), chapter XI, in Duty and Inclination: […], volume II, London: Henry Colburn, […], page 154
2. The aggregate of the functions by which a living organism is maintained in a normal condition of weight and growth.
  Quotations
  It cannot be denied it [the chameleon] is (if not the moſt of any) a very abſtemious animall, and ſuch as by reaſon of its frigidity, paucity of bloud, and latitancy in the winter (about which time the obſervations are often made) will long ſubſist without a viſible ſuſtentation.
  1650, Thomas Browne, “Of the Cameleon”, in Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], 3rd book, page 133
3. (Christianity) The scheme by which the ministers of the Free Church of Scotland are supported by voluntary contributions not local or congregational, but with a national altruism or solidarity paid into a great central fund, out of which equal stipends are paid to all alike.