feed on
feed upon

I fed upon them for many days, until they were all gone.

"There are ways to keep the good mother from feeding upon your energy."

"But you do not expect him to feed always upon men?"

The larger group developed and then fed upon its own energy.

If he did not do that, the decline would feed upon itself.

He sat down to feed his eyes upon the spectacle.

Not just feed upon it, but cause others to lust after him.

They web together and feed upon the leaves of their host plant.

So how could we, gods who fed upon human blood, have been seen as 'good'?

They shall not feed upon the corn that we have raised.