Read the dictionary definition of protrusion. All definitions for this word.
1. the act of projecting out from something
2. something that bulges out or is protuberant or projects from its surroundings
1. the gun in his pocket made an obvious bulge
2. the hump of a camel
3. he stood on the rocky prominence
4. the occipital protuberance was well developed
5. the bony excrescence between its horns