purple heart
noun
1
Purple Heart
(in the US) a decoration for those wounded or killed in action, established in 1782 and re-established in 1932（美国）紫心勋章（授予作战中负伤或阵亡者的勋章, 1782年确立, 1932年重新确立）。
2
- a large tree of the rainforests of Central and South America, with dark purplish-brown timber which blackens on contact with water（中南美洲雨林的）紫心木。
2.1
- Genus Peltogyne, family Leguminosae: several species, in particular P. paniculata.盾母树属, 豆科：数种, 尤指锥花盾母树。
3
- Brit. informal a mauve-coloured heart-shaped stimulant tablet, especially of amphetamine〈英, 非正式〉紫心片（尤指兴奋药苯丙胺）。