ad·​der·​spit | \ ˈa-dər-ˌspit\
plural -s

Definition of adderspit 

: the common brake (Pteridium aquilinum)

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First Known Use of adderspit

circa 1889, in the meaning defined above

History and Etymology for adderspit

so called from the salivalike appearance of the sori

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Time Traveler for adderspit

The first known use of adderspit was circa 1889

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