- 1the part of the body below the chest synonym gut synonym stomach They crawled along on their bellies. see beer belly, potbelly
- 2(literary) the round or curved part of an object the belly of a ship
- 3-bellied (in adjectives) having the type of belly mentioned flat-bellied fat-bellied Idioms
to fail completely Last year the business went belly up after one of the partners resigned.
Check pronunciation: belly