Triffid Definition
    noun
  
 A fictional plant, able to move around and kill people with a poisonous stinger.
Wiktionary 
Other Word Forms of Triffid
Noun
Singular:
 triffidPlural:
 triffidsOrigin of Triffid
Coined by John Wyndham for his 1951 novel The Day of the Triffids
From Wiktionary
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