Similar Words to Protuberance:
Bulge
Bump
Excrescence
Extrusion
Gibbosity
Gibbousness
Hump
Jut
Prominence
Protrusion
Swelling
Definitions of Protuberance:
1. Something that bulges out or is protuberant or projects from its surroundings
2. The condition of being protuberant; the condition of bulging out