1Usually with the. Divine favour or benevolence, especially as freely shown by God to humanity without regard to merit.
2historical, rare Any of several medicinal herbs; especially. St. John's wort (Hypericum species). Also with the. Compare "grace", Gratia Dei .
Middle English; earliest use found in Hali Meidenhad: an alliterative homily. From grace + of + god, after post-classical Latin gratia Dei.