a wild plant with leaves with sharp points and purple, yellow or white flowers made up of a mass of narrow petals pointing upwards. The thistle is the national symbol of Scotland. 蓟(野生植物,叶有刺,花呈紫色、黄色或白色,为苏格兰民族象征) Topics Plants and treesc2More Like This Silent lettersSilent lettersWord OriginOld English thistel, of Germanic origin; related to Dutch distel and German Distel.