Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: pustule  pú-styool
  1. A small inflamed elevation of skin containing pus; a blister filled with pus

Derived forms: pustules

Type of: bleb, blister, bulla, hickey [N. Amer, informal], pimple, zit [informal]

Encyclopedia: Pustule