1. A collection of blood outside blood vessels, typically caused by injury; a bruise.
Usage: Also spelled 'hematoma' in U.S. English.; Medical/clinical term.

Examples

• The patient developed a haematoma on his arm after the fall.
• A subdural haematoma is a serious condition requiring immediate medical attention.
• The boxer had a haematoma under his eye after the match.
• The doctor drained the haematoma to relieve pressure.
• Small haematomas often heal on their own within a few weeks.