sustainment Meaning, Definition & Usage

  1. noun the act of sustaining life by food or providing a means of subsistence
    sustentation; upkeep; maintenance; sustenance.
    • they were in want of sustenance
    • fishing was their main sustainment

WordNet


Sus*tain"ment noun
Definitions
  1. The act of sustaining; maintenance; support. Milton. Lowell.

Webster 1913