protuberance

A bulge, knob, swelling, spine, or anything that protrudes.

Noun

A bulge, knob, swelling, spine, or anything that protrudes.
- For the most part they were small standard gauge 0-6-0 side tanks of the type illustrated, with long tapered chimneys and an unusual feature for the Continent in the shape of domeless boilers, the protuberance just...
- Oluanpi's lighthouse looks toward Lanyu, or Orchid Island, a tiny, rocky protuberance sixty-eight miles to the southeast and important because it is the home of the Yami, the smallest and most primitive tribe of...
- Ever since their creation the Daleks have been attempting to conquer and enslave as much of the universe as they could get their grubby little protuberances on. - 1989, Ben Aaronovitch, Remembrance of the Daleks:
Synonyms: bulge bump protrusion tuberosity

From French protubérance, from Latin prōtubērantia (“bulge; protuberance”), from prō + tūber (“swelling; protuberance”) + -antia (“-ance”).