Noun
meat and drink (uncountable)
That on which somebody survives, or which makes their existence meaningful; means of subsistence.
Let thy speech of God be renewed day by day, aye, rather than thy meat and drink. Epictetus
I believe in the communion of Saints. And, forasmuch as meat and drink are transmuted in us daily into spiritual substance, I believe in the Miracle of the Mass. Aleister Crowley