mo·ron (môr'ŏn', mōr'-)
n.
A stupid person; a dolt.
Psychology. A person of mild mental retardation having a mental age of from 7 to 12 years and generally having communication and social skills enabling some degree of academic or vocational education.
The term belongs to a classification system no longer in use and is now considered offensive.
[From Greek mōron, neuter of mōros, stupid, foolish.]
mo·ron'ic (mə-rŏn'ĭk, mô-) adj.
mo·ron'i·cal·ly adv.
mo'ron'ism or mo·ron'i·ty (mə-rŏn'ĭ-tē, mô-) n.