tumour
TYOO-muh/tjuː.mə/USTOO-mer/tuː.məɹ/
Pluraltumours
US spellingtumor
- 1A lump or growth in the body that should not be there, which may or may not be cancer.
The doctor said the tumour was not cancer, which was a huge relief.
The scan showed two small tumours in her lung.
UsageDoctors describe a tumour as benign, meaning not cancerous, or malignant, meaning cancerous.
Note
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Origin
From the Latin word tumor, meaning 'swelling'.
Checked 5 Nov 2026 · 2 facts
- Tumour derives from Latin tumor. en.wiktionary.org
- Latin tumor means 'swelling'. en.wiktionary.org