An infection of the skin resulting in a rash or blemishing.
A violent ejection, such as the spurting out of lava from a volcano.
A sudden release of pressure or tension.
An infestation of parasitic mites, Sarcoptes scabiei, causing intense itching caused by the mites burrowing into the skin of humans and other animals. It is easily transmissible from human to human; secondary skin infection may occur.