pinealoma

noun
pin·​e·​a·​lo·​ma | \ ˌpin-ē-ə-ˈlō-mə How to pronounce pinealoma (audio) \
plural pinealomas also pinealomata\ -​mət-​ə How to pronounce pinealomata (audio) \

Medical Definition of pinealoma

: a tumor (as a germinoma) of the pineal gland or pineal region