abdomen abomasum bay window beerbelly belly breadbasket craw crop diaphragm embonpoint first stomach gizzard gullet gut honeycomb stomach kishkes manyplies maw midriff omasum paunch pot potbelly potgut psalterium pusgut rennet bag reticulum rumen second stomach spare tire stomach swagbelly third stomach tum-tum underbelly venter ventripotence