noun

An abscess is a localized collection of pus (purulent inflammatory tissue) caused by suppuration buried in a tissue, an organ, or a confined space, lined by the pyogenic membrane.

Example

1. The dentist recommended that the patient have an abscessed tooth removed.
2. The doctor prescribed antibiotics to treat the patient's skin abscess.
3. The cat's leg abscess was successfully drained and treated with antibiotics.