Main Entry: me·so·the·li·o·ma

Pronunciation: \ˌme-zə-ˌthē-lē-ˈō-mə, ˌmē-, -sə-\

Function: noun

Inflected Form(s): plural me·so·the·li·o·mas also me·so·the·li·o·ma·ta \-mə-tə\

Etymology: New Latin

Date: circa 1899

: a usually malignant tumor derived from mesothelial tissue (as that lining the peritoneum or pleura)