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