Etymology
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omnivorous (adj.)

"eating food of every kind indiscriminately," 1650s, from Latin omnivorus "all-devouring," from omnis "all" (see omni-) + vorare "devour, swallow" (from PIE root *gwora- "food, devouring"). Figurative use by 1791. Related: Omnivorously; omnivorousness.

updated on August 23, 2019

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Definitions of omnivorous from WordNet

omnivorous (adj.)
feeding on both plants and animals;
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.