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Meaning of fatbody

fat•bod•y

Pronunciation: (fat'bod"ē), [key]
— pl. -bod•ies.
  1. a diffuse tissue of insects, having numerous functions including food storage, metabolism, and storage of wastes and in some insects modified as a light-producing organ.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.