petechia
/pɪˈtikiə/
noun
- A small, round, red or purple spot on the skin caused by bleeding under the skin, often a sign of injury or illness.
- After the long coughing fit, a tiny petechia appeared near her eye.
- The doctor noticed a petechia on the patient's arm and ordered a blood test.
- Petechiae can be a symptom of certain infections or blood disorders.