Meningioma is a type of tumor that develops on the protective membranes surrounding the brain and spinal cord. It is a fairly common type of brain tumor and often benign. There are a few synonyms for the word meningioma, which include, but are not limited to, dura mater tumor, meningeal tumor, and meningothelial tumor. These synonyms refer to the same type of tumor with different names. Meningioma symptoms can vary depending on the size and location of the tumor and may include headaches, seizures, weakness, and loss of coordination. Treatment may involve surgery, radiation therapy, or medication, depending on the individual case.