In plural The descendants of Noah; any of the ancient peoples of the Middle East notionally descended from Noah, (occasionally) only those other than the Jews; mankind as a whole. Now chieflyhistorical.
adjective
= Noachian.
Origin
Early 18th century; earliest use found in Athenian Oracle. From post-classical Latin Noachidae, plural from Noach + -idae; in form Noachides (plural) via French Noachides, plural.