Illustration of amanita
amanita
noun
am·a·ni·ta ˌa-mə-ˈnī-tə 
-ˈnē-
-ˈnē- : any of a genus (Amanita) of white-spored basidiomycetous fungi that typically have a volva and an annulus about the stipe and include some deadly poisonous forms
Example Sentences
Recent Examples on the Web Its night and day hawk-life, slope-life, fogs, coyote, tan oaks,white-speckled amanita. 
Jane Hirshfield, New York Times, 19 Mar. 2020 Some victims got off relatively easy, like four young men who had expected a psychedelic trip but ended up having their insides washed out with fluids in a hospital — the only known treatment for amanita phalloides poisoning. Avi Selk, Washington Post, 3 June 2017 A new federal report detailed what came after consumption for 14 people who sampled the Bay Area's bloom of death cap - or amanita phalloides - last December:Violent nausea, in all cases. The Washington Post, NOLA.com, 3 June 2017 A new federal report detailed what came after consumption for 14 people who sampled the Bay Area's bloom of death cap — or amanita phalloides — last December: Avi Selk, Washington Post, 3 June 2017 Some victims got off relatively easy, including four young men who had expected a psychedelic trip but ended up having their insides washed out with fluids in a hospital - the only known treatment for amanita phalloides poisoning. Avi Selk, chicagotribune.com, 3 June 2017
Jane Hirshfield, New York Times, 19 Mar. 2020 Some victims got off relatively easy, like four young men who had expected a psychedelic trip but ended up having their insides washed out with fluids in a hospital — the only known treatment for amanita phalloides poisoning. Avi Selk, Washington Post, 3 June 2017 A new federal report detailed what came after consumption for 14 people who sampled the Bay Area's bloom of death cap - or amanita phalloides - last December:Violent nausea, in all cases. The Washington Post, NOLA.com, 3 June 2017 A new federal report detailed what came after consumption for 14 people who sampled the Bay Area's bloom of death cap — or amanita phalloides — last December: Avi Selk, Washington Post, 3 June 2017 Some victims got off relatively easy, including four young men who had expected a psychedelic trip but ended up having their insides washed out with fluids in a hospital - the only known treatment for amanita phalloides poisoning. Avi Selk, chicagotribune.com, 3 June 2017 Word History
Etymology
New Latin, genus name, from Greek amanitai, plural, a kind of fungus
First Known Use
1899, in the meaning defined above
Medical Definition
amanita
noun
am·a·ni·ta ˌam-ə-ˈnīt-ə -ˈnēt-
-ˈnēt- 1
capitalized : a genus of widely distributed white-spored basidiomycetous fungi (family Amanitaceae) that includes some deadly poisonous forms (as the death cap)
2
: a fungus of the genus Amanita