1. A round protrusion or swelling on the body, such as a cyst or boil, or anything or any action directly or indirectly associated with this, especially a blister.
As a Noun:
1. A painful swelling containing clear liquid on the surface of your skin, often the result of burning or rubbing. English = blister, cyst, abscess.
As a Verb or Adjective:
1. To have blisters.