belly

nouns

the region of the body of a vertebrate between the thorax and the pelvis
abdomen, belly, stomach, venter
a protruding abdomen
belly, paunch
a part that bulges deeply
"the belly of a sail"
belly
is a type of (narrower)
something that bulges out or is protuberant or projects from its surroundings
"the gun in his pocket made an obvious bulge"; "the hump of a camel"; "he stood on the rocky prominence"; "the occipital protuberance was well developed"; "the bony excrescence between its horns"
bulge, bump, excrescence, extrusion, gibbosity, gibbousness, hump, jut, prominence, protrusion, protuberance, swelling
the hollow inside of something
"in the belly of the ship"
belly
is a type of (narrower)
the inner or enclosed surface of something
inside, interior
the underpart of the body of certain vertebrates such as snakes or fish
belly
is a part of
animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
craniate, vertebrate
is a type of (narrower)
a part lying on the lower side or underneath an animal's body
"the warbler has a white throat and underparts"; "a woodland mouse with white underparts"
underpart

verbs

swell out or bulge out
belly, belly out