2. (noun)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"
3. (verb)blow, bump an impact (as from a collision) "the bump threw him off the bicycle"
4. (verb)bump, knock knock against with force or violence "My car bumped into the tree"
5. (verb)find, happen, chance, bump, encounter come upon, as if by accident; meet with "We find this idea in Plato"; "I happened upon the most wonderful bakery not very far from here"; "She chanced upon an interesting book in the bookstore the other day"
7. (verb)demote, bump, relegate, break, kick downstairs assign to a lower position; reduce in rank "She was demoted because she always speaks up"; "He was broken down to Sergeant"
8. (verb)dislodge, bump remove or force from a position of dwelling previously occupied "The new employee dislodged her by moving into her office space"
3. (noun)Bump one of the protuberances on the cranium which are associated with distinct faculties or affections of the mind; as, the bump of "veneration;" the bump of "acquisitiveness."