Tumor (noun)

1. An abnormal mass of tissue that results from excessive cell division and growth.
2. A swelling or lump in any part of the body.

Origin:

Late latin tumor swelling, from latin tumēre to swell.

Examples:

1. The doctors found a tumor in her breast.
2. He was diagnosed with a brain tumor.
3. The tumor was removed surgically.
4. The patient had a malignant tumor.
5. The tumor was benign.