om·ni·vore 
(ŏmnə-vôr′)
(ŏmnə-vôr′)n.
1. An omnivorous animal: "Humans are quintessential omnivores" (Paul Rozin).
2. One that takes in everything available, as with the mind.
[From New Latin Omnivora, omnivores, from neuter pl. of Latin omnivorus, omnivorous; see OMNIVOROUS.]