sickener
/ˈsɪkənə(r)/noun
1
- informal something which causes disgust or severe disappointment〈非正式〉使人厌恶（或极其失望）的东西。
2
the sickener
a poisonous toadstool with a red cap and a white or cream-coloured stem and gills, found commonly in both Eurasia and North America毒红菇。
2.1
- Genus Russula, family Russulaceae, class Hymenomycetes, in particular R. emetica.红菇属, 红菇科, 层菌纲, 尤指毒红菇。