Main Entry: me·so·the·li·o·ma

Pronunciation: \ˌmez-ə-ˌthē-lē-ˈō-mə, ˌmēz-, ˌmēs-, ˌmes-\

Function: noun

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

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