1. [noun] Something that sticks out
2. [verb] (intransitive) to stick out
3. [verb] (obsolete) To butt.
4. [noun] 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'.
5. [noun] The act of projecting out from something.
6. [verb] Extend out or project in space; 'His sharp nose jutted out'; 'A single rock sticks out from the cliff'.