As an adjective poisonous
is containing sufficient poison to be dangerous.
As a noun veratrum is
any of various poisonous herbs of the genus veratrum .
poisonous
English
Adjective
(
en adjective)
Containing sufficient poison to be dangerous
(of an animal) Inedible due to containing poison; poisonous to eat
Synonyms
* toxic, venomous, attery
Derived terms
* poisonousness
veratrum
Noun
(
en noun)
Any of various poisonous herbs of the genus Veratrum
Synonyms
* (herb) corn lily, false hellebore