1Of authority, a position, etc.: entrusted to a subdelegate; held or exercised by means of subdelegation.
2Appointed to act as a subdelegate; deputed by a person who or authority which has itself been deputed. Chiefly historical and archaic in later use.
Early 18th century; earliest use found in Du Pin's New Ecclesiastical History of the Sixteenth Century. From subdelegate + -ed.