The definition of a carcinoma is a malignant tumor that grows from epithelial tissue and tends to spread to other parts of the body.(noun)
A cancerous mole that grows on the skin is an example of a carcinoma.
See carcinoma in Webster's New World College Dictionary
See carcinoma in American Heritage Dictionary 4
noun pl. car·ci·no·mas or car·ci·no·ma·ta (-mə-tə)
Origin: Latin, cancerous ulcer
Origin: , from Greek karkinōma
Origin: , from karkinos, cancer; see kar- in Indo-European roots.
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