protuberance

noun

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

1. 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 behind the chimney being a sandbox.”

   “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 aborigines in Taiwan.”