protuberance, protuberant Definition

protuberant
adj

1. Projecting; bulging; swelling out.

Thesaurus: protruding, bulging, swollen, swelling, jutting, popping, bulbous, prominent, proud, protrusive, extrusive; Antonym: flat.

Derivative: protuberance
noun

Something that projects, bulges or swells out
Thesaurus: outgrowth, knob, lump, bulge, bump, prominence, projection, swelling, protrusion, bulb, wart, welt, tumour, tuber.

Etymology: 17c: from Latin protuberare to swell out.

Info:

These are often mispronounced and misspelt as if they were protruberance or protruberant, under the influence of protrude.