1. A thing that protrudes or sticks out from a surface or object
The rocky protuberance jutted out from the cliff face.
A protuberância rochosa se projetava para fora da face do penhasco.
2. An abnormal or unnatural swelling or growth on the body
The doctor examined the protuberance on the patient's shoulder.
O médico examinou a protuberância no ombro do paciente.
3. In astronomy, a bright gaseous structure extending outward from the sun's surface
Scientists observed a massive solar protuberance during the eclipse.
Os cientistas observaram uma protuberância solar massiva durante o eclipse.