- 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.
Also fat bod·y, fat-bod·y.
Origin of fatbody
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a mass of fatty tissue in insects, used as an energy source during hibernation and metamorphosis
- a similar tissue mass in amphibians and reptiles