tumor of meninges (MONDO_0016743, a Monarch Disease Ontology term) is a benign or malignant neoplasm that affects the meninges. The majority of the neoplasms arise from meningothelial cells and are called meningiomas. Non-meningothelial cell neoplasms include mesenchymal, non-meningothelial tumors, hemangiopericytomas, and melanocytic lesions. Also known as: meningeal cluster neoplasm, meningeal cluster neoplasm (disease), meningeal cluster rare nervous system tumor, meningeal cluster rare nervous system tumour, meningeal cluster tumor, meningeal cluster tumour, meningeal neoplasm, meningeal neoplasms.