mesenchymoma
noun
mes·en·chy·mo·ma
| \ ˌmez-ᵊn-ˌkī-ˈmō-mə
, ˌmēz-
\
, ˌmēz-
\
plural mesenchymomas
also mesenchymomata\ -mət-ə
\
\
Medical Definition of mesenchymoma
: a benign or malignant tumor consisting of a mixture of at least two types of embryonic connective tissue