the main body cavity of most higher multicellular animals, in which the visceral organs are suspended
Origin of coelomClassical Greek koiloma ; from koilos: see -coele
nounpl. coeloms or coe·lo·ma·ta also ce·loms or ce·loma·ta
The fluid-filled cavity within the body of most multicellular animals, except some invertebrates such as flatworms and cnidarians, that lies between the body wall and the digestive tract and is formed by the splitting of the embryonic mesoderm into two layers. Also called body cavity.
Origin of coelomGerman Koelom, from Greek koil&omacron;ma, cavity, from koilos, hollow; see keu&schwa;- in Indo-European roots.
From Ancient Greek κοίλωμα (koiloma, “hollow, cavity”).