(c.255–c.330), Roman empress and mother of Constantine the Great. In 326 she founded basilicas on the Mount of Olives and at Bethlehem and is credited with finding the cross on which Jesus Christ was crucified. Feast day (in the Eastern Church) May 21; (in the Western Church) August 18.
Definition of Helena, St. in US English:
Helena, St.
proper nounˈhelənə
(c.255–c.330), Roman empress and mother of Constantine the Great. In 326 she founded basilicas on the Mount of Olives and at Bethlehem and is credited with finding the cross on which Jesus Christ was crucified. Feast day (in the Eastern Church) May 21; (in the Western Church) August 18.