sustenance has definitions from the field of food
1
[ noun ] (food) a source of materials to nourish the body

Used in print

(Chicago Daily Tribune...)

He does n't think that potting them from a deck_chair on the south_side of the house with a quart glass of beer for sustenance is entirely sporting .

(The Providence Journal...)

Still , his finale is put_together with taste and a most sensitive projection of that pale sustenance , despair .

2
[ noun ] the financial means whereby one lives

Examples

"each child was expected to pay for their keep" "he applied to the state for support" "he could no longer earn his own livelihood"

3
[ noun ] the act of sustaining life by food or providing a means of subsistence

Examples

"they were in want of sustenance" "fishing was their main sustainment"

Related terms

support sustain

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