Definition of “sustenance” - English Dictionary

“sustenance” in American English

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sustenancenoun [ U ]

/ˈsʌs·tə·nəns/

food, or the energy and other things food provides people and animals to keep them strong and healthy:

The ranch animals get a lot of their sustenance from grazing.

(Definition of “sustenance” from the Cambridge Academic Content Dictionary © Cambridge University Press)