/mong"geuh loyd', mon"-/ , adj.
1. resembling the Mongols.
2. Anthropol. of, pertaining to, or characteristic of one of the traditional racial divisions of humankind, marked by yellowish complexion, prominent cheekbones, epicanthic folds about the eyes, and straight black hair, and including the Mongols, Manchus, Chinese, Koreans, Japanese, Annamese, Siamese, Burmese, Tibetans, and, to some extent, the Eskimos and the American Indians: no longer in technical use.
3. ( often l.c. ) Pathol. (no longer in technical use) of, affected with, or characteristic of Down syndrome.
n.
4. Anthropol. a member of the peoples traditionally classified as the Mongoloid race: no longer in technical use.
5. ( usually l.c. ) Pathol. (no longer in technical use) a person affected with Down syndrome.
[ 1865-70; MONGOL + -OID ]