A body of members of a uniformed service appointed to receive or guard a head of state or other dignitary, or to attend at state ceremonials, especially funerals; an individual serving in such a body.
Origin
Mid 19th century; earliest use found in The Civil Engineer and Architect's Journal.
Definition of honour guard in US English:
honour guard
(UShonor guard)
noun
A body of members of a uniformed service appointed to receive or guard a head of state or other dignitary, or to attend at state ceremonials, especially funerals; an individual serving in such a body.
Origin
Mid 19th century; earliest use found in The Civil Engineer and Architect's Journal.