ETYM Latin abdomen (a word of uncertain etymol.): cf. French abdomen.
The region of the body of a vertebrate between the thorax and the pelvis; SYN. venter, stomach, belly.
In vertebrates, the part of the body below the thorax, containing the digestive organs; in insects and other arthropods, it is the hind part of the body. In mammals, the abdomen is separated from the thorax by the diaphragm, a sheet of muscular tissue; in arthropods, commonly by a narrow constriction. The female reproductive organs are in the abdomen. In insects and spiders, it is characterized by the absence of limbs.
ETYM Old Eng. bali, bely, AS. belg, baelg, baelig, bag, bellows, belly; akin to Icel. belgr bag, bellows, Swed. bälg, Dan. baelg, Dutch and German balg, cf. W. bol the paunch or belly, dim. boly, Irish bolg. Related to Bellows, Follicle, Fool, Bilge.
1. A protruding abdomen; SYN. paunch.
2. The underpart of the body of certain vertebrates such as snakes or fish.
ETYM Old Fren. panch, pance, French panse, Latin pantex, panticis.
(Irregular plural: paunches).
1. The belly and its contents; the abdomen; also, the first stomach, or rumen, of ruminants.
2. The thickened rim of a bell, struck by the clapper.
ETYM Old Eng. stomak, French estomac, Latin stomachus, from Greek stomachos stomach, throat, gullet, from stoma a mouth, any outlet or entrance.
The first cavity in the digestive system of animals. In mammals it is a bag of muscle situated just below the diaphragm. Food enters it from the esophagus, is digested by the acid and enzymes secreted by the stomach lining, and then passes into the duodenum. Some plant-eating mammals have multichambered stomachs that harbor bacteria in one of the chambers to assist in the digestion of cellulose.
The gizzard is part of the stomach in birds.
An enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion; SYN. tummy, tum, breadbasket.