|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
protuberance pro·tu·ber·ance (prō-t&oomacr;'bər-əns, -ty&oomacr;'-, prə-)
Something, such as a bulge, knob, or swelling, that protrudes.
The condition of being protuberant.