Pronunciation: (mez"u-thē"lē-ō'mu, mes"-, mē'zu-, -su-), [key]
—pl. -mas, -ma•taPronunciation: (-mu-tu). [key] Pathol.
a malignant tumor of the covering of the lung or the lining of the pleural and abdominal cavities, often associated with exposure to asbestos.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.