Swelling or bulging outward.

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

Third-person singular simple present indicative form of protuberate

present participle of protuberate

simple past tense and past participle of protuberate

plural of protuberance

plural of protuberancy

protuberant

(intransitive) To bulge outward, producing a rounded protuberance. / (transitive, rare) To cause to bulge outward.

plural of protuberation