bumpnounfeminine/ˈbɔsɐ/mediumbos·saPortuguesEnglishEspanolFrancaisDefinitionA rounded swelling or lump, especially one caused by a blow.He got a bump on his head from the low doorway.There's a bump on the car's hood from the hail.synlumpbumpswellingEtymologyDo francês 'bosse'.Related wordsbossar