Definitions for: Double First

[n] (Great Britain) a first-class honours degree in two subjects

Webster (1913) Definition: Dou"ble first` (Eng. Universities)
(a) A degree of the first class both in classics and
mathematics.
(b) One who gains at examinations the highest honor both
in the classics and the mathematics. --Beaconsfield.

See Also: first, first-class honours degree