bump

a lump on the body caused by a blow

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"

an impact (as from a collision); "the bump threw him off the bicycle"

knock against with force or violence; "My car bumped into the tree"

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"

assign to a lower position; reduce in rank; "She was demoted because she always speaks up"; "He was broken down to Sergeant"

remove or force from a position of dwelling previously occupied; "The new employee dislodged her by moving into her office space"