Definition of holy rood:
(n) :
(Christianity) Synonym of True Cross: the cross upon which Jesus was crucified.
(n) :
Alternative form of Holyrood: the Scottish Parliament, its chambers, or the surrounding neighborhood. [An area of Edinburgh, Scotland, the home of the Scottish Parliament.]
(n) :
(Christianity) Alternative letter-case form of Holy Rood: the True Cross of Jesus. [(Christianity) Synonym of True Cross: the cross upon which Jesus was crucified.]