Originally: a red and pustular eruption of the skin of the face, probably rosacea. Later: a red rash in an infant or young child, probably miliaria rubra.
Origin
Late Middle English; earliest use found in William Langland (c1325–c1390), poet. From red + gound.
red gown2
/ˈrɛd ˌɡaʊn/
noun
An undergraduate student at St Andrews University.
Origin
Late 18th century; earliest use found in Robert Fergusson (1750–1774), poet. From red + gown.