Definition of tumor
- … houses that bulged with the tumors and warts of … ornamental architecture …
- —W. A. White
the scan showed a small tumor in her abdomen
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tumor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a mass of tissue found in or on the body that is made up of abnormal cells
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