Union Jack

Union Jack, originally the flag of Great Britain, on which the crosses of St. George and St. Andrew are blended, with which certain white streaks were blended or fimbriated after the Union with Ireland.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Union, The * Unionists
[wait for the fun]
Unconscious, The
Understanding, The
Undine
Undulatory Theory
Unearned Increment
Unicorn
Uniformity, Act Of
Unigenitus, The Bull
Union, Federal
Union, The
Union Jack
Unionists
Unitarians
United Brethren
United Presbyterians
United Provinces
United States
United States, Presidents of
Unities, Three
Universalists
Unknown, The Great