feed (up)on (someone or something)

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feed (up)on (someone or something)

Literally, to eat or consume something for sustenance. Ugh, as soon as I go outside, I feel like the mosquitos are just feeding on me!
See also: feed
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

feed (up)on someone or something

to eat someone or something. (Upon is formal and less commonly used than on.) They say that some Bengal tigers feed upon people. They feed on anything that moves.
See also: feed, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

feed on

To be nourished or sustained by something. Used especially of animals: Pigs feed on corn husks.
See also: feed, on
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
However, in this study competitors were not allowed to feed on the algal tiles, allowing the focal individual more algae to feed upon. It is beneficial to have a higher feeding rate in the presence of many competitors to insure enough food is acquired.
Samples of material trapped in vents below the flagged floors of the granaries are expected to reveal the nature of the foodstuffs and other goods once stored in the buildings, together with the bones of rodents that attempted to feed upon them.
The Manchester United defender said: "There was not a lot of space and service for Wayne to feed upon against Macedonia - but that will come.
to its author and Dracula is a novel about an arch-consumer, the vampire, who feeds upon middle-class women and then turns them into vampires by forcing them to feed upon him.
But all of them feed upon their host thereby causing discomfort, loss of condition and sometimes actual disease.
If you wipe out the seagulls this will result in an explosion of the feral pigeon population, as seagulls feed upon pigeons' eggs.
Three factors have to be present in order for mold to grow - moisture, warmth and organic material for the mold to feed upon. Mold can grow in wood, drywall, carpet and dust, White said.
Our data set was comprised mostly of foxes and cats (two species likely to capture and feed upon bats), but we had no reason to suspect that their behavior would create a disproportionate opportunity for infection by L.
Eliminade is sprayed into the crowns of beetle-infested trees to feed certain insect parasitoids that, in turn, feed upon beetle larvae.
On the basis of computer models and field samples, some researchers have suspected that such blooms dilute toxic metals by spreading them out among the much larger number of individual algae cells--and thus offering zooplankton less-contaminated algae to feed upon.
At the same time, swarms of dogfish and skate have moved in to replace and feed upon young cod, haddock and yellowtail.
This particular warrior's fearsome mandibles form a convenient ladder for the mites that feed upon it - a surprising vulnerability in our enemy, and an oddly sympathetic one.
The danger, of course, is that noncompliance tends to feed upon itself as compliant small businesses find that themselves tempted to adopt the practices of noncompliant competitors in order to survive.