bulge (n)
bump (n)
excrescence (n)
extrusion (n)
gibbosity (n)
gibbousness (n)
hump (n)
jut (n)
prominence (n)
protrusion (n)
protuberance (n)
swelling (n)

Definition: something that bulges out or is protuberant or projects from its surroundings
Example: 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.