Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine
1. An emergencymass of tissue that results from overweening celldivision that is uncontrolled and progressive, also called a neoplasm. Tumours perform no useful body function. They may be eitherbenign (not cancerous) or malignant.
2. Swelling, one of the cardinal signs of inflammations, morbid enlargement.
Origin: L. Tumere = to swell