sickener

sickener
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
  3. Genus Russula, family Russulaceae, class Hymenomycetes, in particular R. emetica
    红菇属,红菇科,层菌纲,尤指毒红菇
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