| n. | 1. | That which is protuberant swelled or pushed beyond the surrounding or adjacent surface; a swelling or tumor on the body; a prominence; a bunch or knob; an elevation.
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| Noun | 1. | protuberance - something that bulges out or is protuberant or projects from a formSynonyms: excrescence, extrusion, gibbosity, gibbousness, hump, jut, bulge, protrusion, bump, prominence |
| 2. | protuberance - the condition of being protuberant; the condition of bulging out; "the protuberance of his belly" |