the Order of the Thistle

Từ điển Oxford Advanced Learner 8th

the Order of the Thistle [the Order of the Thistle] BrE NAmE
one of the highest British orders of chivalry. Its full name is the Most Ancient and Most Noble Order of the Thistle. People who are appointed to the order may put the letters KT (meaning Knight of the Thistle) after their names. The order was started in 1687 and is mainly for members of the Scottish ↑peerage. The ↑thistle, a prickly plant, is the national ↑emblem of Scotland.
note at ↑aristocracy
note at ↑honours