Cro-Magnard adjective 1noun 1forms 1 adjective1 •(old-fashioned) Of, relating to or resembling Cro-Magnon humans.Porgie Sproggins. Cave man. Brute. Hulking, enormous, shaggy-haired, prognathous jawed, a veritable Cro-magnard type. Bluely unshaven and scowling. — 1921 noun1 •(old-fashioned) Cro-Magnon, the earliest known form of modern humans, Homo sapiens, to be found in Europe, dating from the late Paleolithic; a person resembling a Cro-Magnon.It has been asserted that some of the Cromagnards may not have eaten much muscle meat, because there are no bones of food animals in their caves. — 1953 formsCro-Magnards