(in the UK) a silk union flag carried by a particular regiment along with its regimental colour.
 Example sentencesExamples
-  However, the Queen's Colour is only paraded on certain occasions.
 -  The Trooping of the Queen's Colour is held on the Saturday of the Queen's Birthday long weekend in June each year
 -  The Queen's Colour is a reminder to all ranks of their loyalty and duty to their Sovereign and their country.